279  
CDUS41 KLWX 042129  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT SUN OCT 04 2026  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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 64 3:59 PM 90 2013 72 -8 81  
MINIMUM 60 8:29 AM 26 1974 50 10 45  
AVERAGE 62 61 1 63  
 
PRECIPITATION (IN)  
TODAY 0.07 0.81 1999 0.13 -0.06 0.00  
MONTH TO DATE 0.40 0.51 -0.11 0.00  
SINCE SEP 1 4.20 4.45 -0.25 1.22  
SINCE JAN 1 33.60 33.67 -0.07 25.86  
 
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 SEP 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 3 5 -2 2  
MONTH TO DATE 5 19 -14 16  
SINCE SEP 1 26 64 -38 23  
SINCE JUL 1 26 65 -39 25  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 19 8 11 0  
SINCE SEP 1 217 160 57 170  
SINCE JAN 1 1497 1216 281 1318    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 90 12:00 AM  
AVERAGE 95  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1967  
2013  
MINIMUM TEMPERATURE (F) 50 32 1970  
 
SUNRISE AND SUNSET  
OCTOBER 4 2026.......SUNRISE 7:09 AM EDT SUNSET 6:48 PM EDT  
OCTOBER 5 2026.......SUNRISE 7:10 AM EDT SUNSET 6:46 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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