| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
June 25, 2025 |
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| Clear to
Partly Cloudy PM, Continued Very Hot and Very Muggy |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2025 |
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Jun 25 |
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Record |
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Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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95 |
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87 |
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77 |
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+18 |
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95 |
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in |
2025 |
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59 |
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in |
1940 |
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| Minimum
Temperature |
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73 |
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64 |
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61 |
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+12 |
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73 |
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in |
2025 |
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49 |
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in |
1979 |
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| Average Temperature |
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84 |
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76 |
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69 |
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+15 |
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84 |
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in |
2025 |
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55 |
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in |
1903 |
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| Month Avg Max Temperature |
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77.0 |
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77.2 |
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73.0 |
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+4.0 |
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78.5 |
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in |
1957 |
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65.6 |
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in |
1903 |
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| Month Avg
Min Temperature |
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60.7 |
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60.2 |
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57.0 |
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+3.7 |
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60.7 |
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in |
2025 |
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51.8 |
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in |
1907 |
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| Month Average
Temperature |
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69.1 |
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69.0 |
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65.1 |
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+4.0 |
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69.1 |
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in |
2025 |
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59.6 |
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in |
1907 |
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| High
Heat Index |
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115 |
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91 |
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115 |
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in |
2025 |
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| Low Wind
Chill |
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| Heating Degree Days |
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0 |
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0 |
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1 |
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-1 |
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10 |
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in |
1903 |
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0 |
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in |
Many |
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| Month Heating DD |
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24 |
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5 |
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48 |
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-24 |
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159 |
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in |
1907 |
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5 |
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in |
2024 |
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| Season
Heating DD |
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5026 |
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4952 |
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5507 |
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-481 |
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6619 |
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in |
1905 |
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4444 |
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in |
1932 |
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| Cooling Degree Days |
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19 |
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11 |
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4 |
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+15 |
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19 |
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in |
2025 |
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0 |
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in |
All |
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| Month Cooling DD |
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126 |
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105 |
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56 |
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+70 |
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126 |
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in |
2025 |
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3 |
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in |
1916 |
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| Year Cooling DD |
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126 |
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105 |
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56 |
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+70 |
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134 |
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in |
1957 |
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3 |
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in |
1916 |
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| Maximum Dew Point |
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79 |
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68 |
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66 |
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+13 |
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79 |
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in |
2025 |
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48 |
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in |
1979 |
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| Minimum
Dew Point |
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67 |
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58 |
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57 |
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+10 |
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67 |
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in |
2025 |
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38 |
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in |
1986 |
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| Average Dew Point |
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73 |
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63 |
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61 |
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+12 |
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73 |
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in |
2025 |
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44 |
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in |
1979 |
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| Month Avg Max Dew Point |
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66.8 |
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66.4 |
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62.2 |
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+4.6 |
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66.8 |
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in |
2025 |
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54.5 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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56.6 |
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56.0 |
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52.4 |
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+4.3 |
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56.6 |
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in |
2025 |
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43.6 |
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in |
1958 |
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| Month Average Dew Point |
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61.7 |
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61.2 |
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57.2 |
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+4.5 |
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61.7 |
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in |
2025 |
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49.5 |
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in |
1958 |
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| Precipitation |
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T |
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.00 |
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.12 |
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-.12 |
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1.76 |
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in |
1981 |
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| One Hour
Rain |
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T |
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.00 |
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.44 |
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in |
1981 |
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| Half Hour
Rain |
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.00 |
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.00 |
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.20 |
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in |
2012 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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3.16 |
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in |
2006 |
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| Month Precipitation |
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.81 |
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3.03 |
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2.97 |
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-2.16 |
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8.93 |
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in |
1982 |
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.05 |
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in |
1949 |
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| Year Precipitation |
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21.20 |
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32.19 |
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22.01 |
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-.81 |
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38.25 |
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in |
1998 |
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12.67 |
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in |
1957 |
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| Snow |
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0.0 |
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0.0 |
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#N/A |
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#N/A |
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0.0 |
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in |
1900 |
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0.0 |
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in |
Many |
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| Snow Depth |
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0 |
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0 |
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0 |
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0 |
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in |
2020 |
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0 |
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in |
Many |
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| Month Snow |
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0.0 |
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0.0 |
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T |
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#N/A |
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in |
#N/A |
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0.0 |
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in |
Many |
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| Season Snow |
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11.9 |
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12.7 |
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33.8 |
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21.9 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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Jun 25 |
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Record |
Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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84% |
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87% |
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92% |
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-8% |
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100% |
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in |
2018 |
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65% |
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in |
1953 |
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| Minimum
Humidity |
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56% |
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43% |
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57% |
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-1% |
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93% |
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in |
2006 |
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27% |
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in |
1963 |
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| Average Humidity |
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70% |
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65% |
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75% |
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-5% |
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97% |
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in |
2006 |
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51% |
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in |
1982 |
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| Maximum Barometer |
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30.00 |
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29.86 |
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30.02 |
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-00.01 |
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30.34 |
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in |
2021 |
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29.70 |
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in |
1952 |
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| Minimum
Barometer |
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29.94 |
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29.65 |
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29.82 |
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+00.12 |
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30.27 |
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in |
2021 |
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29.44 |
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in |
1992 |
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| Average Barometer |
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29.97 |
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29.76 |
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29.92 |
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+00.05 |
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30.31 |
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in |
2021 |
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29.63 |
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in |
1952 |
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| Average
Wind |
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4.9 |
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7.8 |
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6.1 |
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-1.2 |
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13.4 |
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in |
1974 |
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2.3 |
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in |
2009 |
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| Direction |
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NW |
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NNW |
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S |
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NE |
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SSW |
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| High
Wind Gust |
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18 |
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31 |
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21 |
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-3 |
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35 |
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in |
1974 |
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10 |
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in |
1973 |
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| Direction |
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NNW |
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N |
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SSW |
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ENE |
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SSE |
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| Maximum Water Temp |
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68.4 |
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68.2 |
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67.6 |
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+0.8 |
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75.5 |
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in |
2007 |
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62.4 |
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in |
2009 |
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| Minimum
Water Temp |
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64.0 |
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65.3 |
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63.5 |
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+0.5 |
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72.3 |
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in |
2007 |
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58.3 |
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in |
2020 |
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| Average Water Temp |
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66.2 |
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66.8 |
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65.6 |
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+0.6 |
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73.9 |
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in |
2007 |
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60.6 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:12:12 AM |
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4:39:08 AM |
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| Sunset /
PM Twilight |
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8:23:10 PM |
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8:57:10 PM |
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| Length Of Day |
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15:10:58 |
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| Special
Conditions |
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None |
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| Comments |
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Record Breaking High Temps, High Dew Points, High Head
Index |
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| Hour-by-Hour Weather For June 25, 2025 |
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| Climate Weather for June 25 |
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| Weather History For June 25 |
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| Weather Calendar |
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