743
CDUS41 KLWX 250622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT MON MAY 25 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 24 2026
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)
YESTERDAY
MAXIMUM 64 6:50 PM 90 1964 77 -13 71
MINIMUM 52 6:27 AM 36 1963 55 -3 48
AVERAGE 58 66 -8 60
PRECIPITATION (IN)
YESTERDAY 1.11R 0.83 1994 0.16 0.95 0.00
2005
MONTH TO DATE 4.37 3.64 0.73 3.96
SINCE MAR 1 8.89 10.61 -1.72 7.39
SINCE JAN 1 14.69 16.16 -1.47 11.81
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.0 4.0 -3.0 0.0
SINCE JUL 1 13.6 21.0 -7.4 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 3 4 5
MONTH TO DATE 125 102 23 45
SINCE MAR 1 775 1069 -294 736
SINCE JUL 1 4404 4579 -175 4058
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 62 55 7 68
SINCE MAR 1 148 77 71 115
SINCE JAN 1 148 77 71 115
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 PM
LOWEST 84 1:00 PM
AVERAGE 91
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1991
MINIMUM TEMPERATURE (F) 56 36 1967
SUNRISE AND SUNSET
MAY 25 2026...........SUNRISE 5:50 AM EDT SUNSET 8:24 PM EDT
MAY 26 2026...........SUNRISE 5:49 AM EDT SUNSET 8:25 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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