Portsmouth Rhode Island Weather Almanac  
Friday, March 7, 2025  
Partly Cloudy to Clear PM, Very Gusty Winds, Much Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 7, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   43   52   43   +0   64   in 2009   20   in 1913  
Minimum Temperature   30   40   28   +2   49   in 2022   7   in 2007  
Average Temperature   37   46   36   +1   54   in 2022   14   in 2007  
 Month Avg Max Temperature   43.6   49.9   46.0   -2.4   55.0   in 1974   29.9   in 1912  
Month Avg Min Temperature   26.6   38.0   33.0   -6.4   38.0   in 2024   14.1   in 1950  
Month Average Temperature   35.4   44.1   39.4   -4.0   46.9   in 1974   23.9   in 1978  
High Heat Index   76               76   in 2024            
Low Wind Chill   18   29   18   +0             -9   in 2007  
Heating Degree Days   28   19   29   -1   51   in 2007   11   in 2022  
Month Heating DD   207   146   209   -2   288   in 1978   127   in 1974  
Season Heating DD   3869   3693   4035   -166   5057   in 1905   3380   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   24   52   33   -9   52   in 2024   7   in 1990  
Minimum Dew Point   18   34   18   +0   42   in 2022   -16   in 2007  
Average  Dew Point   21   43   26   -5   47   in 2022   -3   in 2007  
 Month Avg Max Dew Point   33.6   46.1   32.3   +1.3   46.1   in 2024   13.6   in 1978    
Month Avg Min Dew Point   15.4   34.0   16.9   -1.4   34.0   in 2024   -5.0   in 1950    
Month Average Dew Point   24.6   40.1   24.9   -0.3   40.1   in 2024   7.4   in 1950    
Precipitation   .00   .77   .13   -.13   2.85   in 1967              
One Hour Rain   .00   .40           .43   in 1967              
Half Hour Rain   .00   .24         .24   in 2024              
Hourly Rain Rate   .00   3.00           3.00   in 2024              
Month Precipitation   .41   3.33   .91   -.50   4.33   in 2018   .00   in 1935    
Year Precipitation   5.59   12.89   8.01   -2.42   18.75   in 1979   2.66   in 1980    
Snow   0.0   0.0   0.2   -0.2   3.4   in 1916   0.0   in      
Snow Depth   0   0   1.1   -1.1   24   in 2015   0   in      
Month Snow   0.0   0.0   1.6   -1.6   15.3   in 1960   0.0   in 2025    
Season Snow   11.9   12.7   28.9   -17.0   71.4   in 1996   4.7   in 1998    
    March 7, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   69%   99%   84%   -15%   100%   in 2011   53%   in 1953    
Minimum Humidity   38%   81%   52%   -14%   92%   in 1996   24%   in 2020    
Average Humidity   54%   90%   68%   -14%   95%   in 1973   41%   in 1990    
Maximum Barometer   29.62   30.10   30.13   -00.51   30.92   in 1990   29.50   in 1965    
Minimum Barometer   29.30   29.71   29.74   -00.44   30.48   in 1990   28.38   in 1932    
Average Barometer   29.46   29.91   29.93   -00.47   30.70   in 1990   29.29   in 1991    
Average Wind   18.5   18.7   9.7   +8.8   22.7   in 1986   3.7   in 1987    
Direction   WNW   NNE   WNW       WNW         WSW          
High Wind Gust   53   45   30   +23   59   in 1962   13   in 1960    
Direction   WNW   NNE   WNW       NNE         NNW          
Maximum Water Temp   40.5   43.3   39.2   +1.3   43.3   in 2024   32.8   in 2015    
Minimum Water Temp   38.7   41.5   37.4   +1.3   41.5   in 2024   31.3   in 2015  
Average Water Temp   39.6   42.4   38.3   +1.3   42.4   in 2024   32.1   in 2015  
Sunrise/ AM Twilight   6:09:35 AM   5:40:37 AM            
Sunset / PM Twilight   5:42:58 PM   6:11:19 PM            
Length Of Day   11:33:23                          
Special Conditions   None                                  
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Hour-by-Hour Weather For March 7, 2025            
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