| Portsmouth Rhode Island Weather Almanac |
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| Monday, March
31, 2025 |
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| Cloudy &
Fog early, Dense Fog Day, Cloudy, Fog & Light Rain PM, Windy and Much
Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2025 |
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March 31, 2025 |
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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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53 |
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58 |
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50 |
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+3 |
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71 |
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in |
1981 |
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35 |
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in |
1970 |
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| Minimum
Temperature |
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42 |
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40 |
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35 |
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+7 |
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49 |
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in |
1998 |
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15 |
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in |
1923 |
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| Average Temperature |
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48 |
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49 |
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43 |
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+5 |
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59 |
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in |
1998 |
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26 |
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in |
1923 |
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| Month Avg Max Temperature |
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50.0 |
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50.1 |
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43.2 |
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+6.8 |
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51.9 |
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in |
2012 |
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36.0 |
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in |
1916 |
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| Month Avg
Min Temperature |
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34.2 |
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35.5 |
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30.0 |
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+4.1 |
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37.4 |
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in |
2012 |
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23.4 |
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in |
1916 |
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| Month Average
Temperature |
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42.4 |
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43.0 |
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36.5 |
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+5.8 |
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44.9 |
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in |
2012 |
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30.0 |
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in |
1916 |
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| High Heat Index |
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76 |
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76 |
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in |
2024 |
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| Low Wind
Chill |
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41 |
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40 |
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29 |
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+12 |
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4 |
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in |
1923 |
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| Heating Degree Days |
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17 |
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16 |
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22 |
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-5 |
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39 |
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in |
1923 |
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6 |
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in |
1998 |
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| Month Heating DD |
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701 |
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682 |
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824 |
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-123 |
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1086 |
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in |
1916 |
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622 |
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in |
2012 |
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| Season
Heating DD |
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4363 |
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4229 |
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4650 |
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-287 |
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5689 |
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in |
1918 |
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3858 |
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in |
2016 |
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| Cooling Degree Days |
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0 |
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0 |
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#REF! |
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#REF! |
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0 |
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in |
1900 |
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0 |
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in |
All |
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| Month Cooling DD |
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| Year Cooling DD |
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| Maximum Dew Point |
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53 |
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40 |
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38 |
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+15 |
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56 |
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in |
1998 |
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12 |
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in |
1965 |
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| Minimum
Dew Point |
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41 |
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29 |
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25 |
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+16 |
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47 |
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in |
1987 |
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2 |
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in |
1964 |
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| Average Dew Point |
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47 |
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35 |
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32 |
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+15 |
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51 |
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in |
1998 |
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8 |
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in |
1965 |
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| Month Avg Max Dew Point |
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39.4 |
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40.8 |
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34.6 |
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+4.7 |
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41.6 |
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in |
2012 |
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25.9 |
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in |
1960 |
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| Month Avg
Min Dew Point |
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24.7 |
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28.1 |
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20.2 |
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+4.6 |
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28.1 |
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in |
2024 |
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11.1 |
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in |
1950 |
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| Month Average Dew Point |
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32.3 |
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34.4 |
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27.7 |
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+4.6 |
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34.6 |
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in |
2012 |
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19.4 |
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in |
1960 |
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| Precipitation |
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.02 |
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.00 |
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.14 |
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-.12 |
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2.13 |
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in |
1997 |
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| One Hour
Rain |
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.01 |
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.00 |
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.68 |
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in |
1987 |
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| Half Hour
Rain |
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.01 |
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.00 |
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.26 |
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in |
2004 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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2.82 |
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in |
2022 |
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| Month Precipitation |
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4.08 |
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9.28 |
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4.36 |
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-.28 |
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13.24 |
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in |
2010 |
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.32 |
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in |
1915 |
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| Year Precipitation |
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9.26 |
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18.84 |
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11.46 |
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-2.20 |
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20.09 |
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in |
2010 |
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6.16 |
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in |
2012 |
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| Snow |
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0.0 |
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0.0 |
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0.1 |
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-0.1 |
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5.9 |
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in |
1970 |
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0.0 |
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in |
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| Snow Depth |
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0 |
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0 |
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0.1 |
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-0.1 |
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4 |
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in |
1984 |
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0 |
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in |
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| Month Snow |
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0.0 |
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T |
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5.7 |
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-5.7 |
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31.6 |
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in |
1956 |
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T |
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in |
2024 |
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| Season Snow |
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11.9 |
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12.7 |
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33.0 |
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-21.1 |
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78.0 |
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in |
2005 |
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5.0 |
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in |
1998 |
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March
31, 2025 |
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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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100% |
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71% |
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88% |
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+13% |
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100% |
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in |
2025 |
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44% |
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in |
1950 |
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| Minimum
Humidity |
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95% |
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43% |
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52% |
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+43% |
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97% |
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in |
1987 |
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14% |
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in |
1963 |
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| Average Humidity |
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98% |
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57% |
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70% |
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+27% |
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99% |
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in |
1987 |
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39% |
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in |
1965 |
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| Maximum Barometer |
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30.00 |
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29.97 |
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30.08 |
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-00.08 |
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30.70 |
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in |
2008 |
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29.35 |
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in |
1974 |
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| Minimum
Barometer |
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29.57 |
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29.70 |
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29.78 |
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-00.21 |
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30.37 |
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in |
1967 |
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29.01 |
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in |
1974 |
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| Average Barometer |
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29.79 |
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29.84 |
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29.92 |
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-00.14 |
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30.50 |
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in |
1967 |
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29.18 |
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in |
1974 |
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| Average
Wind |
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9.3 |
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6.1 |
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8.5 |
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+0.8 |
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21.2 |
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in |
1987 |
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3.2 |
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in |
1996 |
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| Direction |
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S |
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NNW |
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S |
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SSE |
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S |
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| High
Wind Gust |
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29 |
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21 |
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27 |
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+2 |
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51 |
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in |
1997 |
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11 |
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in |
1973 |
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| Direction |
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S |
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WNW |
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S |
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NNE |
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S |
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| Maximum Water Temp |
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44.2 |
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45.3 |
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43.2 |
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+1.0 |
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47.3 |
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in |
1998 |
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38.7 |
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in |
2014 |
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| Minimum
Water Temp |
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43.2 |
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43.2 |
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40.9 |
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+2.3 |
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46.0 |
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in |
2012 |
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36.9 |
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in |
2015 |
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| Average Water Temp |
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43.7 |
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44.3 |
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42.1 |
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+1.6 |
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46.6 |
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in |
2012 |
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37.9 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:29:14 AM |
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6:00:00 AM |
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| Sunset /
PM Twilight |
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7:09:39 PM |
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7:38:09 PM |
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| Length Of Day |
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12:40:25 |
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| Special
Conditions |
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Dense Fog |
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| Comments |
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| Hour-by-Hour Weather For March 31, 2025 |
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| Climate Weather for March 31 |
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| Weather History For March 31 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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