Portsmouth Rhode Island Weather Almanac  
Monday, March 3, 2025  
Clear, Breezy, Continued Dry and Very Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 3, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   34   59   42   -8   60   in 1991   21   in 1950  
Minimum Temperature   13   44   27   -14   45   in 2020   5   in 1950  
Average Temperature   24   52   35   -11   52   in 2024   13   in 1950  
 Month Avg Max Temperature   37.7   48.3   46.7   -9.0   56.3   in 1991   28.0   in 1912  
Month Avg Min Temperature   18.3   34.7   33.7   -15.3   38.7   in 1902   11.3   in 1980  
Month Average Temperature   28.3   41.7   40.0   -11.7   47.0   in 1991   20.7   in 1980  
High Heat Index   76               76   in 2024            
Low Wind Chill   0   39   17   -17             -15   in 1950  
Heating Degree Days   41   13   30   +11   52   in 1950   13   in 2024  
Month Heating DD   110   70   91   +19   133   in 1980   54   in 1991  
Season Heating DD   3772   3617   3917   -145   4911   in 1905   3255   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   18   50   32   -14   53   in 2002   -4   in 1950  
Minimum Dew Point   0   42   17   -17   42   in 2024   -18   in 1950  
Average  Dew Point   9   46   25   -16   47   in 1991   -11   in 1950  
 Month Avg Max Dew Point   24.3   42.7   32.0   -7.7   47.0   in 1991   -2.0   in 1980    
Month Avg Min Dew Point   3.3   28.3   16.3   -13.0   34.7   in 1998   -14.7   in 1980    
Month Average Dew Point   14.0   35.5   24.3   -10.3   40.8   in 1991   -8.3   in 1980    
Precipitation   .00   .25   .13   -.13   1.82   in 1994              
One Hour Rain   .00   .23           .35   in 1972              
Half Hour Rain   .00   .14         .14   in 2024              
Hourly Rain Rate   .00   .89           .89   in 2024              
Month Precipitation   .00   1.82   .39   -.39   3.01   in 2018   .00   in 2024    
Year Precipitation   5.18   11.38   7.49   -2.31   17.45   in 1979   2.65   in 1980    
Snow   0.0   0.0   0.2   -0.2   5.3   in 1960   0.0   in      
Snow Depth   0   0   1.2   -1.2   21   in 2015   0   in      
Month Snow   0.0   0.0   0.8   -0.8   9.3   in 1959   0.0   in 2025    
Season Snow   11.9   12.7   28.1   -16.2   70.1   in 1996   4.7   in 1998    
    March 3, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   71%   99%   84%   -13%   100%   in 2012   34%   in 1980    
Minimum Humidity   27%   70%   49%   -22%   92%   in 1976   15%   in 1980    
Average Humidity   49%   85%   66%   -17%   96%   in 1976   25%   in 1980    
Maximum Barometer   30.26   30.27   30.11   +00.15   30.70   in 2011   29.58   in 1998    
Minimum Barometer   30.15   30.02   29.74   +00.41   30.39   in 1979   28.72   in 1947    
Average Barometer   30.21   30.15   29.92   +00.28   30.50   in 1979   29.48   in 1968    
Average Wind   8.3   7.3   8.9   -0.6   22.1   in 2018   3.5   in 1965    
Direction   NNW   SSE   WNW       NNE         NNE          
High Wind Gust   25   23   28   -3   56   in 1942   12   in 1952    
Direction   NNW   N   WNW       SE         NE          
Maximum Water Temp   37.8   42.4   39.0   -1.2   43.0   in 2012   32.5   in 2015    
Minimum Water Temp   36.1   40.6   37.1   -1.0   41.7   in 2012   30.7   in 2015  
Average Water Temp   37.0   41.5   38.1   -1.2   42.4   in 2012   31.6   in 2015  
Sunrise/ AM Twilight   6:16:02 AM   5:47:02 AM            
Sunset / PM Twilight   5:38:20 PM   6:06:47 PM            
Length Of Day   11:22:18                          
Special Conditions   None                                  
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Hour-by-Hour Weather For March 3, 2025            
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