607
CDUS41 KLWX 050627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SUN APR 05 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 4 2026
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)
YESTERDAY
MAXIMUM 87R 4:10 PM 85 2011 62 25 73
MINIMUM 67 6:22 AM 22 1965 39 28 57
2013
AVERAGE 77 51 26 65
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 7:00 AM
LOWEST 35 4:00 PM
AVERAGE 56
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 88 2023
MINIMUM TEMPERATURE (F) 40 22 1965
SUNRISE AND SUNSET
APRIL 5 2026.........SUNRISE 6:48 AM EDT SUNSET 7:37 PM EDT
APRIL 6 2026.........SUNRISE 6:47 AM EDT SUNSET 7:38 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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