853
CDUS41 KLWX 312121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT SAT MAY 31 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 31 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 71 10:49 AM 94 1991 79 -8 77
2011
2022
MINIMUM 54 3:56 AM 37 1984 57 -3 50
AVERAGE 63 68 -5 64
PRECIPITATION (IN)
TODAY 0.27 2.35 2018 0.15 0.12 0.00
MONTH TO DATE 6.07 4.72 1.35 4.22
SINCE MAR 1 9.50 11.69 -2.19 9.85
SINCE JAN 1 13.92 17.24 -3.32 17.30
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 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 2 2 0 1
MONTH TO DATE 76 116 -40 48
SINCE MAR 1 767 1083 -316 727
SINCE JUL 1 4089 4593 -504 3691
COOLING
TODAY 0 5 -5 0
MONTH TO DATE 71 84 -13 136
SINCE MAR 1 118 106 12 180
SINCE JAN 1 118 106 12 183
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 46 4:00 PM
AVERAGE 72
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2011
MINIMUM TEMPERATURE (F) 58 39 1984
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:46 AM EDT SUNSET 8:29 PM EDT
JUNE 1 2025..........SUNRISE 5:46 AM EDT SUNSET 8:30 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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