939
CDUS41 KLWX 192124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT TUE MAY 19 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 19 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 96R 2:47 PM 92 1996 76 20 75
1997
MINIMUM 72 5:46 AM 36 2002 54 18 55
AVERAGE 84 65 19 65
PRECIPITATION (IN)
TODAY T 1.18 1988 0.15 -0.15 0.00
MONTH TO DATE 0.87 2.83 -1.96 3.34
SINCE MAR 1 5.39 9.80 -4.41 6.77
SINCE JAN 1 11.19 15.35 -4.16 11.19
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 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
TODAY 0 3 -3 0
MONTH TO DATE 93 87 6 20
SINCE MAR 1 743 1054 -311 711
SINCE JUL 1 4372 4564 -192 4033
COOLING
TODAY 19 3 16 0
MONTH TO DATE 49 38 11 68
SINCE MAR 1 135 60 75 115
SINCE JAN 1 135 60 75 115
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 4:00 AM
LOWEST 32 4:00 PM
AVERAGE 50
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1996
MINIMUM TEMPERATURE (F) 54 36 2002
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT
MAY 20 2026...........SUNRISE 5:53 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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