526  
CDUS41 KLWX 282124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT TUE OCT 28 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 28 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 58 11:36 AM 86 2023 64 -6 65  
MINIMUM 39 6:35 AM 22 1976 41 -2 31  
AVERAGE 49 52 -3 48  
 
PRECIPITATION (IN)  
TODAY T 1.97 2015 0.11 -0.11 0.00  
MONTH TO DATE 0.97 3.31 -2.34 0.13  
SINCE SEP 1 2.19 7.25 -5.06 3.40  
SINCE JAN 1 26.83 36.47 -9.64 29.18  
 
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 16 13 3 17  
MONTH TO DATE 221 242 -21 209  
SINCE SEP 1 228 287 -59 221  
SINCE JUL 1 230 288 -58 223  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 12 19 -7 14  
SINCE SEP 1 182 171 11 151  
SINCE JAN 1 1330 1227 103 1565    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 6:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 82 1984  
MINIMUM TEMPERATURE (F) 41 19 1976  
 
SUNRISE AND SUNSET  
OCTOBER 28 2025.......SUNRISE 7:33 AM EDT SUNSET 6:13 PM EDT  
OCTOBER 29 2025.......SUNRISE 7:34 AM EDT SUNSET 6:12 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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