287
CDUS41 KLWX 042131
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 PM EDT SAT APR 04 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 4 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 87R 3:56 PM 85 2011 62 25 73
MINIMUM 67 6:22 AM 22 1965 39 28 57
2013
AVERAGE 77 51 26 65
PRECIPITATION (IN)
TODAY T 1.47 1987 0.10 -0.10 0.11
MONTH TO DATE 0.10 0.44 -0.34 0.14
SINCE MAR 1 2.95 3.94 -0.99 1.56
SINCE JAN 1 8.75 9.49 -0.74 5.98
SNOWFALL (IN)
TODAY 0.0 0.2 1990 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.0 3.9 -2.9 0.0
SINCE JUL 1 13.6 20.9 -7.3 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 14 -14 0
MONTH TO DATE 8 60 -52 37
SINCE MAR 1 450 707 -257 487
SINCE JUL 1 4079 4217 -138 3809
COOLING
TODAY 12 0 12 0
MONTH TO DATE 22 0 22 0
SINCE MAR 1 38 2 36 17
SINCE JAN 1 38 2 36 17
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 7:00 AM
LOWEST 35 4:00 PM
AVERAGE 56
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 88 2023
MINIMUM TEMPERATURE (F) 40 22 1965
SUNRISE AND SUNSET
APRIL 4 2026.........SUNRISE 6:50 AM EDT SUNSET 7:36 PM EDT
APRIL 5 2026.........SUNRISE 6:48 AM EDT SUNSET 7:37 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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