393  
CDUS41 KLWX 152127  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
527 PM EDT SUN MAR 15 2026  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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 57 3:05 PM 84 2012 54 3 61  
MINIMUM 37 2:29 AM -1 1993 33 4 44  
AVERAGE 47 44 3 53  
 
PRECIPITATION (IN)  
TODAY T 0.89 1967 0.12 -0.12 0.00  
MONTH TO DATE 1.23 1.63 -0.40 0.48  
SINCE MAR 1 1.23 1.63 -0.40 0.48  
SINCE JAN 1 7.03 7.18 -0.15 4.90  
 
SNOWFALL (IN)  
TODAY 0.0 1.4 1999 0.1 -0.1 0.0  
MONTH TO DATE 1.0 2.5 -1.5 0.0  
SINCE MAR 1 1.0 2.5 -1.5 0.0  
SINCE JUL 1 13.6 19.5 -5.9 15.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 21 -3 12  
MONTH TO DATE 221 352 -131 284  
SINCE MAR 1 221 352 -131 284  
SINCE JUL 1 3850 3862 -12 3606  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE MAR 1 8 0 8 0  
SINCE JAN 1 8 0 8 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 2:00 AM  
LOWEST 33 12:00 AM  
AVERAGE 43  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 81 1990  
MINIMUM TEMPERATURE (F) 34 16 1969  
 
SUNRISE AND SUNSET  
MARCH 15 2026.........SUNRISE 7:21 AM EDT SUNSET 7:17 PM EDT  
MARCH 16 2026.........SUNRISE 7:19 AM EDT SUNSET 7:18 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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