| Portsmouth Rhode Island Weather Almanac |
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| Saturday,
March 15, 2025 |
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| Cloudy, Foggy
and Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2025 |
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March 15, 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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45 |
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54 |
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45 |
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+0 |
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62 |
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in |
1990 |
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25 |
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in |
1932 |
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| Minimum
Temperature |
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38 |
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38 |
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30 |
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+8 |
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47 |
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in |
1913 |
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10 |
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in |
1993 |
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| Average Temperature |
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42 |
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46 |
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38 |
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+4 |
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54 |
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in |
1913 |
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18 |
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in |
1993 |
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| Month Avg Max Temperature |
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47.7 |
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50.7 |
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45.0 |
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+2.7 |
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52.1 |
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in |
2020 |
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33.0 |
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in |
1916 |
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| Month Avg
Min Temperature |
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30.6 |
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35.9 |
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31.9 |
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-1.3 |
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37.1 |
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in |
1973 |
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19.5 |
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in |
1950 |
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| Month Average
Temperature |
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39.5 |
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43.5 |
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38.4 |
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+1.1 |
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44.6 |
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in |
1973 |
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27.4 |
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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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34 |
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33 |
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22 |
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+12 |
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-6 |
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in |
1993 |
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| Heating Degree Days |
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23 |
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19 |
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27 |
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-4 |
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47 |
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in |
1993 |
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11 |
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in |
1913 |
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| Month Heating DD |
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383 |
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323 |
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433 |
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-50 |
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564 |
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in |
1916 |
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306 |
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in |
1973 |
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| Season
Heating DD |
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4045 |
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3870 |
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4259 |
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-214 |
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5309 |
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in |
1905 |
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3514 |
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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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43 |
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47 |
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34 |
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+9 |
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52 |
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in |
2002 |
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6 |
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in |
2021 |
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| Minimum
Dew Point |
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37 |
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35 |
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20 |
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+17 |
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42 |
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in |
2016 |
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-10 |
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in |
1993 |
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| Average Dew Point |
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40 |
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41 |
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27 |
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+13 |
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46 |
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in |
2019 |
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-1 |
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in |
1993 |
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| Month Avg Max Dew Point |
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35.2 |
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30.5 |
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33.0 |
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+2.2 |
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40.9 |
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in |
1973 |
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18.9 |
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in |
1960 |
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| Month Avg
Min Dew Point |
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20.7 |
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17.3 |
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17.9 |
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+2.8 |
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29.6 |
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in |
1973 |
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3.7 |
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in |
1980 |
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| Month Average Dew Point |
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28.1 |
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23.9 |
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25.8 |
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+2.3 |
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35.3 |
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in |
1973 |
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13.4 |
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in |
1960 |
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| Precipitation |
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.00 |
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.01 |
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.14 |
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-.14 |
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3.00 |
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in |
1912 |
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| One Hour
Rain |
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.00 |
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.01 |
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.39 |
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in |
1978 |
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| Half Hour
Rain |
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.00 |
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.01 |
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.07 |
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in |
2010 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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.34 |
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in |
2010 |
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| Month Precipitation |
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.42 |
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5.03 |
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2.01 |
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-1.59 |
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5.49 |
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in |
1983 |
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.04 |
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in |
1915 |
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| Year Precipitation |
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5.60 |
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14.59 |
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9.11 |
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-3.51 |
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19.20 |
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in |
1979 |
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4.43 |
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in |
1980 |
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| Snow |
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0.0 |
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0.0 |
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0.2 |
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-0.2 |
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8.1 |
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in |
1999 |
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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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0.5 |
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-0.5 |
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12 |
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in |
1939 |
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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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3.2 |
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-3.2 |
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18.9 |
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in |
1941 |
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0.0 |
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in |
2025 |
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| Season Snow |
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11.9 |
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12.7 |
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30.5 |
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-18.6 |
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75.0 |
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in |
2005 |
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4.7 |
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in |
1998 |
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March
15, 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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99% |
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98% |
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86% |
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+13% |
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100% |
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in |
2002 |
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47% |
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in |
1974 |
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| Minimum
Humidity |
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87% |
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74% |
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52% |
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+35% |
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95% |
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in |
2016 |
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19% |
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in |
2020 |
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| Average Humidity |
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93% |
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86% |
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69% |
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+24% |
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97% |
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in |
2016 |
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36% |
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in |
2021 |
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| Maximum Barometer |
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30.21 |
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30.01 |
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30.06 |
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+00.15 |
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30.73 |
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in |
1968 |
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29.41 |
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in |
1958 |
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| Minimum
Barometer |
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30.10 |
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29.66 |
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29.74 |
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+00.36 |
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30.52 |
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in |
1968 |
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29.18 |
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in |
1958 |
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| Average Barometer |
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30.16 |
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29.84 |
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29.90 |
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+00.25 |
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30.63 |
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in |
1968 |
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29.30 |
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in |
1958 |
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| Average
Wind |
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7.3 |
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10.2 |
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9.4 |
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-2.1 |
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18.0 |
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in |
2023 |
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1.8 |
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in |
1995 |
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| Direction |
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S |
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N |
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WNW |
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NW |
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ESE |
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| High Wind
Gust |
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21 |
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30 |
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29 |
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-8 |
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48 |
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in |
1980 |
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9 |
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in |
1995 |
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| Direction |
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S |
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N |
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WNW |
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W |
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SSW |
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| Maximum Water Temp |
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43.0 |
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44.1 |
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40.7 |
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+2.3 |
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46.2 |
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in |
2012 |
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36.4 |
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in |
2015 |
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| Minimum
Water Temp |
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42.4 |
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42.6 |
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38.7 |
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+3.7 |
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45.0 |
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in |
2012 |
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34.2 |
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in |
2003 |
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| Average Water Temp |
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42.7 |
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43.4 |
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39.7 |
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+3.0 |
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45.6 |
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in |
2012 |
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35.4 |
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in |
2015 |
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| Sunrise/ AM Twilight |
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6:56:19 AM |
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6:27:26 AM |
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| Sunset /
PM Twilight |
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6:52:02 PM |
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7:20:15 PM |
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| Length Of Day |
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11:55:43 |
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| Special
Conditions |
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Dense Fog |
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| Comments |
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Abnormaly Dry, Last Rain was on March 6th |
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| Hour-by-Hour Weather For March 15, 2025 |
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| Climate Weather for March 15 |
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| Weather History For March 15 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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