Portsmouth Rhode Island Weather Almanac  
Thursday, March 6, 2025  
Cloudy, Light Rain, Dense Fog, Gusty Winds, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 6, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   50   43   +9   62   in 1974   22   in 2007  
Minimum Temperature   34   43   28   +6   44   in 1979   8   in 2007  
Average Temperature   43   47   36   +7   51   in 1935   15   in 2007  
 Month Avg Max Temperature   43.7   49.5   46.2   -2.5   54.0   in 1974   28.8   in 1912  
Month Avg Min Temperature   26.0   37.7   33.2   -7.2   37.7   in 2024   14.3   in 1950  
Month Average Temperature   35.2   43.8   39.5   -4.3   46.2   in 1974   22.5   in 1912  
High Heat Index   76               76   in 2024            
Low Wind Chill   22   40   19   +3             -12   in 2007  
Heating Degree Days   22   18   29   -7   50   in 2007   14   in 1935  
Month Heating DD   179   127   180   -1   255   in 1912   113   in 1974  
Season Heating DD   3841   3674   4006   -165   5021   in 1905   3354   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   52   49   33   +19   53   in 1959   4   in 2007  
Minimum Dew Point   24   42   17   +7   42   in 2024   -18   in 2007  
Average  Dew Point   38   46   25   +13   46   in 2024   -7   in 2007  
 Month Avg Max Dew Point   35.2   45.2   32.2   +3.0   46.0   in 1991   14.0   in 1978    
Month Avg Min Dew Point   15.0   34.0   16.7   -1.7   34.0   in 2024   -4.3   in 1950    
Month Average Dew Point   25.2   39.6   24.7   +0.5   39.6   in 2024   5.5   in 1980    
Precipitation   .14   .56   .13   +.01   1.42   in 1943              
One Hour Rain   .04   .29           .29   in 2024              
Half Hour Rain   .03   .21         .21   in 2024              
Hourly Rain Rate   .42   1.01           1.01   in 2024              
Month Precipitation   .41   2.56   .78   -.37   3.20   in 1959   .00   in 1986    
Year Precipitation   5.59   12.12   7.88   -2.29   17.52   in 1979   2.66   in 1980    
Snow   0.0   0.0   0.2   -0.2   8.2   in 2003   0.0   in      
Snow Depth   0   0   1.2   -1.2   25   in 2015   0   in      
Month Snow   0.0   0.0   1.4   -1.4   15.3   in 1960   0.0   in 2025    
Season Snow   11.9   12.7   28.7   -16.8   70.1   in 1996   4.7   in 1998    
    March 6, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   99%   99%   84%   +15%   100%   in 2022   48%   in 2007    
Minimum Humidity   68%   96%   51%   +17%   96%   in 2024   19%   in 2017    
Average Humidity   84%   98%   67%   +16%   98%   in 2024   35%   in 2007    
Maximum Barometer   29.42   30.09   30.13   -00.71   30.71   in 1990   29.42   in 2025    
Minimum Barometer   29.17   29.80   29.77   -00.60   30.45   in 2017   28.80   in 1963    
Average Barometer   29.30   29.95   29.95   -00.65   30.52   in 2014   29.23   in 2001    
Average Wind   13.1   6.2   9.2   +3.9   24.6   in 1962   3.6   in 2016    
Direction   S   SW   N       NNE         N          
High Wind Gust   41   22   28   +13   61   in 1959   15   in 1971    
Direction   S   E   WNW       S         W          
Maximum Water Temp   41.5   43.2   39.0   +2.5   43.2   in 2024   32.5   in 2015    
Minimum Water Temp   39.9   42.1   37.1   +2.8   42.1   in 2024   30.4   in 2015  
Average Water Temp   40.7   42.7   38.1   +2.6   42.7   in 2024   31.5   in 2015  
Sunrise/ AM Twilight   6:11:13 AM   5:42:14 AM            
Sunset / PM Twilight   5:41:49 PM   6:10:12 PM            
Length Of Day   11:30:36                          
Special Conditions   Dense Fog   
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Hour-by-Hour Weather For March 6, 2025            
Climate Weather for March 6            
Weather History For March 6            
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