Portsmouth Rhode Island Weather Almanac  
Friday, February 7, 2025  
Mostly Cloudy early, Partly Cloudy Day to Clear PM, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    February 7, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   42   41   38   +4   56   in 2020   15   in 1895  
Minimum Temperature   27   27   24   +3   42   in 1953   -3   in 1910  
Average Temperature   35   34   32   +3   47   in 1953   7   in 1910  
 Month Avg Max Temperature   39.0   39.9   37.7   +1.3   48.4   in 1991   22.6   in 1996  
Month Avg Min Temperature   21.9   29.3   23.7   -1.9   33.9   in 2006   6.9   in 1918  
Month Average Temperature   30.7   34.7   31.1   -0.4   40.6   in 2016   16.3   in 1996  
High Heat Index   76               76   in 2024            
Low Wind Chill   17   22   11   +6             -19   in 1993  
Heating Degree Days   30   31   33   -3   58   in 1910   18   in 1953  
Month Heating DD   240   212   237   +3   341   in 1996   171   in 2016  
Season Heating DD   2991   2882   3156   -165   4104   in 1918   2462   in 2016    
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All    
Month Cooling DD                                        
Year Cooling DD                                        
Maximum Dew Point   37   30   29   +8   53   in 2020   1   in 1962    
Minimum Dew Point   15   25   13   +2   38   in 1953   -14   in 1993    
Average  Dew Point   26   28   21   +5   45   in 1953   -6   in 1962  
 Month Avg Max Dew Point   34.3   29.1   28.4   +5.9   42.3   in 2008   9.1   in 1980  
Month Avg Min Dew Point   11.1   20.0   12.0   -0.9   30.0   in 2008   -5.6   in 1993  
Month Average Dew Point   23.0   24.9   21.0   +2.0   36.1   in 2008   1.9   in 1980  
Precipitation   .00   .00   .12   -.12   1.81   in 1941            
One Hour Rain   .00   .00           .52   in 1949            
Half Hour Rain   .00   .00         .22   in 2018            
Hourly Rain Rate   .00   .00           1.04   in 2018            
Month Precipitation   .66   T   .80   -.14   3.16   in 1970   .00   in 1987  
Year Precipitation   2.56   6.75   4.47   -1.91   12.11   in 1979   1.28   in 2007    
Snow   0.0   0.0   0.3   -0.3   10.7   in 1978   0.0   in      
Snow Depth   0   0   2.0   -2.0   25   in 1961   0   in      
Month Snow   1.9   0.0   2.1   -0.2   26.3   in 1978   0.0   in 2024    
Season Snow   5.3   6.6   19.2   -13.9   51.0   in 1996   2.0   in 1969    
    February 7, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   99%   93%   86%   +13%   100%   in 2017   52%   in 1982    
Minimum Humidity   47%   65%   54%   -7%   92%   in 2019   16%   in 2005    
Average Humidity   73%   79%   70%   +3%   96%   in 1991   41%   in 1962    
Maximum Barometer   30.18   30.29   30.13   +00.05   30.57   in 1988   29.36   in 1964  
Minimum Barometer   29.66   30.22   29.76   -00.10   30.30   in 1965   28.79   in 2020  
Average Barometer   29.92   30.26   29.94   -00.02   30.41   in 2013   29.10   in 1964  
Average Wind   12.0   7.3   8.0   +4.0   16.7   in 1978   2.4   in 2011  
Direction   WNW   N   N       N         S        
High Wind Gust   36   22   27   +9   62   in 1955   12   in 2005  
Direction   NW   N   N       S         NW        
Maximum Water Temp   38.5   41.9   38.6   -0.1   44.8   in 2012   34.1   in 2015  
Minimum Water Temp   37.6   39.9   36.8   +0.8   41.4   in 2012   32.5   in 2015  
Average Water Temp   38.1   40.9   37.7   +0.3   43.1   in 2012   33.3   in 2015  
Sunrise/ AM Twilight   6:50:47 AM   6:49:54 AM            
Sunset / PM Twilight   5:08:58 PM   5:38:41 PM            
Length Of Day   10:18:11                          
Special Conditions   None                                  
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