Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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731
CDUS41 KLWX 082135
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
535 PM EDT SAT AUG 08 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 8 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 91 2:12 PM 101 2007 87 4 82
MINIMUM 69 5:22 AM 49 1989 66 3 61
AVERAGE 80 77 3 72
PRECIPITATION (IN)
TODAY T 1.39 2024 0.12 -0.12 0.00
MONTH TO DATE 1.67 0.96 0.71 0.12
SINCE JUN 1 11.30 9.41 1.89 9.99
SINCE JAN 1 26.22 26.65 -0.43 23.91
SNOWFALL (IN)
TODAY MM MM MM 0.0 MM 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 MM
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 15 12 3 7
MONTH TO DATE 116 96 20 54
SINCE JUN 1 829 712 117 852
SINCE JAN 1 1002 818 184 970
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 52 2:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 97 1980
2001
MINIMUM TEMPERATURE (F) 66 47 1989
SUNRISE AND SUNSET
AUGUST 8 2026........SUNRISE 6:17 AM EDT SUNSET 8:13 PM EDT
AUGUST 9 2026........SUNRISE 6:18 AM EDT SUNSET 8:12 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$