739
CDUS41 KLWX 302126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT FRI MAY 30 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 30 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 79 1:45 PM 95 1987 78 1 75
1991
2006
MINIMUM 63 6:22 AM 38 1996 57 6 56
AVERAGE 71 68 3 66
PRECIPITATION (IN)
TODAY T 2.65 1960 0.15 -0.15 T
MONTH TO DATE 5.25 4.57 0.68 4.22
SINCE MAR 1 8.68 11.54 -2.86 9.85
SINCE JAN 1 13.10 17.09 -3.99 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 0 2 -2 0
MONTH TO DATE 74 114 -40 47
SINCE MAR 1 765 1081 -316 726
SINCE JUL 1 4087 4591 -504 3690
COOLING
TODAY 6 4 2 1
MONTH TO DATE 74 79 -5 136
SINCE MAR 1 121 101 20 180
SINCE JAN 1 121 101 20 183
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 48 1:00 PM
AVERAGE 74
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1991
2011
2022
MINIMUM TEMPERATURE (F) 57 37 1984
SUNRISE AND SUNSET
MAY 30 2025...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
MAY 31 2025...........SUNRISE 5:46 AM EDT SUNSET 8:29 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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