438
CDUS41 KLWX 012124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT SAT AUG 01 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 1 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 87 1:35 PM 100 1980 87 0 74
MINIMUM 65 1:38 AM 54 1997 67 -2 66
AVERAGE 76 77 -1 70
PRECIPITATION (IN)
TODAY 0.00 1.09 2018 0.12 -0.12 0.12
MONTH TO DATE 0.00 0.12 -0.12 0.12
SINCE JUN 1 9.63 8.57 1.06 9.99
SINCE JAN 1 24.55 25.81 -1.26 23.91
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 11 12 -1 5
MONTH TO DATE 11 12 -1 5
SINCE JUN 1 724 628 96 803
SINCE JAN 1 897 734 163 921
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 48 1:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 101 2024
MINIMUM TEMPERATURE (F) 67 52 1998
SUNRISE AND SUNSET
AUGUST 1 2026........SUNRISE 6:11 AM EDT SUNSET 8:21 PM EDT
AUGUST 2 2026........SUNRISE 6:12 AM EDT SUNSET 8:20 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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