Portsmouth Rhode Island Weather Almanac  
Friday, March 14, 2025  
Cloudy early, Partly Cloudy Day to Mostly Cloudy PM, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 14, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   57   61   45   +12   62   in 2002   26   in 1896  
Minimum Temperature   38   37   30   +8   46   in 1927   10   in 1896  
Average Temperature   48   49   38   +10   51   in 2012   18   in 1896  
 Month Avg Max Temperature   47.9   50.5   45.1   +2.7   52.1   in 2020   33.1   in 1916  
Month Avg Min Temperature   30.1   35.7   32.1   -2.0   36.9   in 1973   19.3   in 1950  
Month Average Temperature   39.3   43.3   38.5   +0.8   44.7   in 1973   27.5   in 1916  
High Heat Index   76               76   in 2024            
Low Wind Chill   32   33   22   +10             -4   in 1993  
Heating Degree Days   17   16   27   -10   47   in 1896   14   in 2012  
Month Heating DD   360   304   406   -46   525   in 1916   284   in 1973  
Season Heating DD   4022   3851   4232   -210   5274   in 1905   3496   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   40   49   34   +6   52   in 1977   7   in 1992  
Minimum Dew Point   32   36   20   +12   42   in 2010   -3   in 1981  
Average  Dew Point   36   43   27   +9   45   in 2010   4   in 1992  
 Month Avg Max Dew Point   34.6   42.6   32.9   +1.7   42.6   in 2024   18.8   in 1960    
Month Avg Min Dew Point   19.6   30.5   17.8   +1.8   30.5   in 2024   3.9   in 1980    
Month Average Dew Point   27.3   36.6   25.7   +1.6   36.6   in 2024   13.1   in 1960    
Precipitation   .00   .00   .14   -.14   1.68   in 1958              
One Hour Rain   .00   .00           .39   in 1958              
Half Hour Rain   .00   .00         .18   in 2017              
Hourly Rain Rate   .00   .00           1.20   in 2010              
Month Precipitation   .42   5.02   1.87   -1.45   5.49   in 1983   .04   in 1915    
Year Precipitation   5.60   14.58   8.97   -3.37   19.20   in 1979   4.43   in 1980    
Snow   0.0   0.0   0.2   -0.2   5.9   in 1958   0.0   in      
Snow Depth   0   0   0.6   -0.6   14   in 1939   0   in      
Month Snow   0.0   T   3.0   -3.0   18.9   in 1941   0.0   in 2025    
Season Snow   11.9   12.7   30.3   -18.4   75.0   in 2005   4.7   in 1998    
    March 14, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   92%   96%   89%   +3%   100%   in 2015   50%   in 1974    
Minimum Humidity   45%   64%   55%   -10%   97%   in 1986   23%   in 1982    
Average Humidity   69%   80%   72%   -3%   99%   in 1986   42%   in 1992    
Maximum Barometer   30.18   30.05   30.08   +00.10   30.65   in 1968   29.53   in 2018    
Minimum Barometer   30.11   29.98   29.71   +00.40   30.28   in 2022   28.50   in 1993    
Average Barometer   30.15   30.02   29.89   +00.25   30.36   in 1995   29.23   in 1993    
Average Wind   6.5   5.7   8.5   -2.0   19.5   in 1993   2.0   in 1994    
Direction   NNE   SE   NW       W         S          
High Wind Gust   19   20   27   -8   61   in 1993   13   in 1983    
Direction   NNE   SSE   NW       SW         N          
Maximum Water Temp   42.6   44.2   40.3   +2.3   47.1   in 2012   35.9   in 2003    
Minimum Water Temp   41.0   42.1   38.4   +2.6   44.3   in 2012   33.6   in 2003  
Average Water Temp   41.8   43.2   39.4   +2.4   45.7   in 2012   34.8   in 2003  
Sunrise/ AM Twilight   6:57:59 AM   6:29:07 AM            
Sunset / PM Twilight   6:50:55 PM   7:19:08 PM            
Length Of Day   11:52:56                          
Special Conditions   None                                  
Comments   Abnormaly Dry  
Hour-by-Hour Weather For March 14, 2025            
Climate Weather for March 14            
Weather History For March 14            
Weather Calendar            
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