210
CDUS41 KLWX 220623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT WED APR 22 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 21 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 5:23 PM 89 1985 69 -6 76
MINIMUM 27R 5:51 AM 29 1983 45 -18 56
AVERAGE 45 57 -12 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.20 1992 0.12 -0.12 T
MONTH TO DATE 0.92 2.33 -1.41 1.37
SINCE MAR 1 3.77 5.83 -2.06 2.79
SINCE JAN 1 9.57 11.38 -1.81 7.21
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
MONTH TO DATE T 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 20 9 11 0
MONTH TO DATE 146 253 -107 217
SINCE MAR 1 588 900 -312 667
SINCE JUL 1 4217 4410 -193 3989
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 61 10 51 15
SINCE MAR 1 77 12 65 32
SINCE JAN 1 77 12 65 32
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 6:00 AM
LOWEST 23 3:00 PM
AVERAGE 54
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1985
MINIMUM TEMPERATURE (F) 45 27 1975
SUNRISE AND SUNSET
APRIL 22 2026.........SUNRISE 6:23 AM EDT SUNSET 7:54 PM EDT
APRIL 23 2026.........SUNRISE 6:22 AM EDT SUNSET 7:55 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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