Portsmouth Rhode Island Weather Almanac  
Wednesday, March 5, 2025  
Partly Cloudy early then Cloudy, Moderate Rain/Fog Late, Very Windy and Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 5, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   47   42   +10   62   in 1974   23   in 1926  
Minimum Temperature   41   39   28   +13   45   in 1974   6   in 1948  
Average Temperature   47   43   35   +12   54   in 1974   15   in 1948  
 Month Avg Max Temperature   42.0   49.4   46.4   -4.4   54.6   in 1991   28.2   in 1912  
Month Avg Min Temperature   24.4   36.6   33.4   -9.0   38.0   in 1974   12.4   in 1950  
Month Average Temperature   33.6   43.2   39.6   -6.0   46.0   in 1991   22.2   in 1912  
High Heat Index   76               76   in 2024            
Low Wind Chill   36   29   19   +17             -11   in 1948  
Heating Degree Days   18   22   30   -12   50   in 1948   11   in 1974  
Month Heating DD   157   109   151   +6   214   in 1912   95   in 1991  
Season Heating DD   3819   3656   3977   -158   4987   in 1905   3324   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   48   47   32   +16   51   in 2008   -1   in 2017  
Minimum Dew Point   38   38   17   +21   39   in 1979   -8   in 2017  
Average  Dew Point   43   43   25   +18   44   in 1979   -5   in 2017  
 Month Avg Max Dew Point   31.8   44.4   32.0   -0.2   46.2   in 1991   10.2   in 1980    
Month Avg Min Dew Point   13.2   32.4   16.6   -3.4   33.2   in 1991   -6.0   in 1980    
Month Average Dew Point   22.6   38.4   24.6   -2.0   39.7   in 1991   2.1   in 1980    
Precipitation   .27   .18   .13   +.14   2.00   in 2001              
One Hour Rain   ,14   .03           .48   in 1952              
Half Hour Rain   .08   .02         .16   in 2008              
Hourly Rain Rate   ,43   .08           4.54   in 2008              
Month Precipitation   .27   2.00   .65   -.38   3.06   in 2018   .00   in 1990    
Year Precipitation   5.45   11.56   7.75   -2.30   17.45   in 1979   2.66   in 1980    
Snow   0.0   0.0   0.2   -0.2   8.5   in 2015   0.0   in      
Snow Depth   0   0   0.8   -0.8   18   in 2015   0   in      
Month Snow   0.0   0.0   1.2   -1.2   15.3   in 1960   0.0   in 2025    
Season Snow   11.9   12.7   28.5   -16.6   70.1   in 1996   4.7   in 1998    
    March 5, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   98%   99%   85%   +13%   100%   in 2004   44%   in 2017    
Minimum Humidity   78%   97%   52%   +26%   97%   in 2024   17%   in 2017    
Average Humidity   88%   98%   69%   +19%   98%   in 2024   31%   in 2017    
Maximum Barometer   30.05   30.38   30.13   -00.08   30.89   in 1904   29.68   in 1968    
Minimum Barometer   29.40   30.02   29.77   -00.37   30.41   in 2017   29.08   in 2001    
Average Barometer   29.73   30.20   29.95   -00.22   30.45   in 2017   29.53   in 2001    
Average Wind   13.1   6.6   8.8   +4.3   23.6   in 1971   3.3   in 1998    
Direction   SSW   NE   WNW       WNW         NW          
High Wind Gust   41   24   28   +13   56   in 1964   10   in 1967    
Direction   SSE   SSW   NW       SSW         E          
Maximum Water Temp   40.3   42.8   39.0   +1.3   43.3   in 2008   32.6   in 2015    
Minimum Water Temp   38.8   42.4   37.2   +1.6   42.4   in 2024   31.4   in 2015  
Average Water Temp   39.6   42.6   38.2   +1.4   42.6   in 2024   32.0   in 2015  
Sunrise/ AM Twilight   6:12:50 AM   5:43:51 AM            
Sunset / PM Twilight   5:40:40 PM   6:09:04 PM            
Length Of Day   11:27:50                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For March 5, 2025            
Climate Weather for March 5            
Weather History For March 5            
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