Portsmouth Rhode Island Weather Almanac  
Saturday, March 22, 2025  
Clear early then Partly Cloudy, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    March 22, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   55   39   47   +8   70   in 1948   28   in 1914  
Minimum Temperature   34   25   32   +2   52   in 2012   15   in 1956  
Average Temperature   45   32   40   +5   59   in 2012   25   in 1914  
 Month Avg Max Temperature   49.8   50.1   44.2   +5.6   51.9   in 2010   31.6   in 1916  
Month Avg Min Temperature   33.3   35.0   31.1   +2.2   37.0   in 2012   20.0   in 1916  
Month Average Temperature   41.9   42.7   37.5   +4.4   44.5   in 2012   26.0   in 1916  
High Heat Index   76               76   in 2024            
Low Wind Chill   30   15   22   +8             1   in 1988  
Heating Degree Days   20   33   25   -5   40   in 1914   6   in 2012  
Month Heating DD   508   490   614   -106   857   in 1916   450   in 2012  
Season Heating DD   4170   4037   4440   -270   5499   in 1905   3674   in 2016  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All  
Month Cooling DD                                      
Year Cooling DD                                      
Maximum Dew Point   43   28   36   +7   58   in 2012   6   in 1988  
Minimum Dew Point   21   9   22   -1   51   in 2012   -5   in 2017  
Average  Dew Point   32   19   29   +3   55   in 2012   2   in 1988  
 Month Avg Max Dew Point   38.9   40.5   33.7   +5.1   42.2   in 2012   22.0   in 1960    
Month Avg Min Dew Point   23.7   27.9   18.9   +4.9   29.7   in 2012   6.4   in 1950    
Month Average Dew Point   31.5   34.2   26.6   +4.9   36.0   in 2012   16.4   in 1950    
Precipitation   .00   .00   .15   -.15   4.42   in 1980              
One Hour Rain   .00   .00           1.21   in 1980              
Half Hour Rain   .00   .00         .19   in 2019              
Hourly Rain Rate   .00   .00           .96   in 2019              
Month Precipitation   2.94   5.10   3.05   -.11   8.47   in 1983   .13   in 1915    
Year Precipitation   8.12   14.66   10.15   -2.03   19.24   in 1998   5.75   in 2012    
Snow   0.0   0.0   0.2   -0.2   6.4   in 1967   0.0   in      
Snow Depth   0   0   0.4   -0.4   9   in 1956   0   in      
Month Snow   0.0   T   4.6   -4.6   27.8   in 1956   0.0   in 2025    
Season Snow   11.9   12.7   31.9   -20.0   75.0   in 2005   5.0   in 1998    
    March 22, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   86%   72%   85%   +1%   100%   in 2007   47%   in 1954    
Minimum Humidity   47%   33%   49%   -2%   91%   in 2010   20%   in 1989    
Average Humidity   67%   53%   67%   -1%   95%   in 2001   35%   in 1954    
Maximum Barometer   29.81   30.39   30.08   -00.27   30.74   in 2020   29.53   in 1995    
Minimum Barometer   29.59   30.22   29.73   -00.14   30.45   in 2020   29.12   in 1955    
Average Barometer   29.70   30.31   29.90   -00.20   30.50   in 2020   29.37   in 1983    
Average Wind   9.6   9.5   9.4   +0.2   20.9   in 1973   2.9   in 2010    
Direction   SSW   WNW   WNW       NE         ESE          
High Wind Gust   32   26   29   +3   49   in 1999   13   in 1975    
Direction   SSW   WNW   WNW       SE         SE          
Maximum Water Temp   45.7   43.0   41.2   +4.5   50.5   in 2012   36.1   in 2015    
Minimum Water Temp   43.9   41.2   39.5   +4.4   47.8   in 2012   34.9   in 2015  
Average Water Temp   44.8   42.1   40.4   +4.4   49.2   in 2012   35.5   in 2015  
Sunrise/ AM Twilight   6:44:28 AM   6:15:30 AM            
Sunset / PM Twilight   6:59:48 PM   7:28:04 PM            
Length Of Day   12:15:20                          
Special Conditions   None                                  
Comments                                      
Hour-by-Hour Weather For March 22, 2025            
Climate Weather for March 22            
Weather History For March 22            
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