618
CDUS41 KLWX 100625
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT FRI APR 10 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 9 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 63 4:36 PM 89 2001 65 -2 54
MINIMUM 36 6:17 AM 23 1977 41 -5 26
AVERAGE 50 53 -3 40
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 1998 0.11 -0.11 0.00
MONTH TO DATE 0.71 0.99 -0.28 0.59
SINCE MAR 1 3.56 4.49 -0.93 2.01
SINCE JAN 1 9.36 10.04 -0.68 6.43
SNOWFALL (IN)
YESTERDAY 0.0 2.6 1982 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 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 0
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 25
MONTH TO DATE 75 127 -52 111
SINCE MAR 1 517 774 -257 561
SINCE JUL 1 4146 4284 -138 3883
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 22 0 22 2
SINCE MAR 1 38 2 36 19
SINCE JAN 1 38 2 36 19
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 5:00 AM
LOWEST 31 2:00 PM
AVERAGE 58
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 89 2013
MINIMUM TEMPERATURE (F) 41 19 1985
SUNRISE AND SUNSET
APRIL 10 2026.........SUNRISE 6:41 AM EDT SUNSET 7:42 PM EDT
APRIL 11 2026.........SUNRISE 6:39 AM EDT SUNSET 7:43 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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