125  
CDUS41 KLWX 112128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
528 PM EDT SAT JUL 11 2026  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 11 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 88 3:23 PM 98 1988 88 0 90  
MINIMUM 70 4:26 AM 52 1983 67 3 69  
AVERAGE 79 77 2 80  
 
PRECIPITATION (IN)  
TODAY 0.00 3.71 2013 0.13 -0.13 0.33  
MONTH TO DATE 2.76 1.49 1.27 1.17  
SINCE JUN 1 7.05 5.79 1.26 8.10  
SINCE JAN 1 21.97 23.03 -1.06 22.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 1 13 -12 15  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 14 12 2 15  
MONTH TO DATE 187 130 57 156  
SINCE JUN 1 465 368 97 477  
SINCE JAN 1 638 474 164 595    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 53 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 97 1986  
MINIMUM TEMPERATURE (F) 67 47 2002  
 
SUNRISE AND SUNSET  
JULY 11 2026..........SUNRISE 5:54 AM EDT SUNSET 8:36 PM EDT  
JULY 12 2026..........SUNRISE 5:55 AM EDT SUNSET 8:36 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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