778
CDUS41 KLWX 232127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT SAT MAY 23 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 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 55 3:59 PM 92 1964 77 -22 66
2021
MINIMUM 50 4:00 AM 39 1971 55 -5 51
1990
2002
AVERAGE 53 66 -13 59
PRECIPITATION (IN)
TODAY 0.40 2.40 2010 0.16 0.24 0.00
MONTH TO DATE 3.09 3.48 -0.39 3.96
SINCE MAR 1 7.61 10.45 -2.84 7.39
SINCE JAN 1 13.41 16.00 -2.59 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 12 3 9 6
MONTH TO DATE 118 99 19 40
SINCE MAR 1 768 1066 -298 731
SINCE JUL 1 4397 4576 -179 4053
COOLING
TODAY 0 4 -4 0
MONTH TO DATE 62 51 11 68
SINCE MAR 1 148 73 75 115
SINCE JAN 1 148 73 75 115
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 8:00 AM
LOWEST 89 2:00 PM
AVERAGE 93
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 1964
MINIMUM TEMPERATURE (F) 55 36 1963
SUNRISE AND SUNSET
MAY 23 2026...........SUNRISE 5:51 AM EDT SUNSET 8:23 PM EDT
MAY 24 2026...........SUNRISE 5:50 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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