736
CDUS41 KLWX 132137
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
537 PM EDT WED MAY 13 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 13 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 77 12:39 PM 92 2000 74 3 67
MINIMUM 56 6:05 AM 32 1976 52 4 62
AVERAGE 67 63 4 65
PRECIPITATION (IN)
TODAY 0.01 1.93 1971 0.15 -0.14 1.71
MONTH TO DATE 0.42 1.90 -1.48 3.15
SINCE MAR 1 4.94 8.87 -3.93 6.58
SINCE JAN 1 10.74 14.42 -3.68 11.00
SNOWFALL (IN)
TODAY MM MM MM 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 82 65 17 20
SINCE MAR 1 732 1032 -300 711
SINCE JUL 1 4361 4542 -181 4033
COOLING
TODAY 2 2 0 0
MONTH TO DATE 9 22 -13 29
SINCE MAR 1 95 44 51 76
SINCE JAN 1 95 44 51 76
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 4:00 PM
LOWEST 37 12:00 PM
AVERAGE 54
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 2010
MINIMUM TEMPERATURE (F) 52 32 1996
2013
SUNRISE AND SUNSET
MAY 13 2026...........SUNRISE 5:59 AM EDT SUNSET 8:14 PM EDT
MAY 14 2026...........SUNRISE 5:58 AM EDT SUNSET 8:15 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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