330
CDUS41 KLWX 222134
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
534 PM EDT FRI MAY 22 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 22 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 59 12:19 PM 91 2022 76 -17 70
2024
MINIMUM 54 3:59 PM 31 2002 55 -1 54
AVERAGE 57 66 -9 62
PRECIPITATION (IN)
TODAY 0.41 2.07 2001 0.16 0.25 0.10
MONTH TO DATE 2.33 3.32 -0.99 3.96
SINCE MAR 1 6.85 10.29 -3.44 7.39
SINCE JAN 1 12.65 15.84 -3.19 11.81
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 8 3 5 3
MONTH TO DATE 104 96 8 34
SINCE MAR 1 754 1063 -309 725
SINCE JUL 1 4383 4573 -190 4047
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 62 47 15 68
SINCE MAR 1 148 69 79 115
SINCE JAN 1 148 69 79 115
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 87 7:00 AM
AVERAGE 92
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1964
2021
MINIMUM TEMPERATURE (F) 55 39 1971
1990
2002
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:52 AM EDT SUNSET 8:22 PM EDT
MAY 23 2026...........SUNRISE 5:51 AM EDT SUNSET 8:23 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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