559  
CDUS41 KLWX 252125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT SAT APR 25 2026  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 1:50 PM 93 1960 70 -7 76  
MINIMUM 53 6:04 AM 29 1969 46 7 49  
AVERAGE 58 58 0 63  
 
PRECIPITATION (IN)  
TODAY 0.05 1.34 1973 0.13 -0.08 0.53  
MONTH TO DATE 0.98 2.83 -1.85 1.90  
SINCE MAR 1 3.83 6.33 -2.50 3.32  
SINCE JAN 1 9.63 11.88 -2.25 7.74  
 
SNOWFALL (IN)  
TODAY 0.0 T 2015 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 0.0  
SINCE MAR 1 1.0 4.0 -3.0 0.0  
SINCE JUL 1 13.6 21.0 -7.4 15.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 8 -1 2  
MONTH TO DATE 154 286 -132 225  
SINCE MAR 1 596 933 -337 675  
SINCE JUL 1 4225 4443 -218 3997  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 70 14 56 19  
SINCE MAR 1 86 16 70 36  
SINCE JAN 1 86 16 70 36    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 62 2:00 PM  
AVERAGE 73  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1990  
2009  
MINIMUM TEMPERATURE (F) 47 31 1967  
 
SUNRISE AND SUNSET  
APRIL 25 2026.........SUNRISE 6:19 AM EDT SUNSET 7:57 PM EDT  
APRIL 26 2026.........SUNRISE 6:18 AM EDT SUNSET 7:58 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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