604
CDUS41 KLWX 210624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SAT MAR 21 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 20 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 72 3:34 PM 80 2020 56 16 77
MINIMUM 39 6:38 AM 18 1981 35 4 44
AVERAGE 56 45 11 61
PRECIPITATION (IN)
YESTERDAY 0.09 1.81 2003 0.12 -0.03 0.14
MONTH TO DATE 2.30 2.23 0.07 0.78
SINCE MAR 1 2.30 2.23 0.07 0.78
SINCE JAN 1 8.10 7.78 0.32 5.20
SNOWFALL (IN)
YESTERDAY 0.0 2.2 1990 0.1 -0.1 0.0
MONTH TO DATE 1.0 3.1 -2.1 0.0
SINCE MAR 1 1.0 3.1 -2.1 0.0
SINCE JUL 1 13.6 20.1 -6.5 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 20 -11 4
MONTH TO DATE 325 454 -129 328
SINCE MAR 1 325 454 -129 328
SINCE JUL 1 3954 3964 -10 3650
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 8 0 8 1
SINCE MAR 1 8 0 8 1
SINCE JAN 1 8 0 8 1
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 PM
LOWEST 29 3:00 PM
AVERAGE 55
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 78 2010
MINIMUM TEMPERATURE (F) 35 14 1965
SUNRISE AND SUNSET
MARCH 21 2026.........SUNRISE 7:12 AM EDT SUNSET 7:23 PM EDT
MARCH 22 2026.........SUNRISE 7:10 AM EDT SUNSET 7:24 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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