564
CDUS41 KLWX 202123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI MAR 20 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 20 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 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)
TODAY 0.00 1.81 2003 0.12 -0.12 0.14
MONTH TO DATE 2.21 2.23 -0.02 0.78
SINCE MAR 1 2.21 2.23 -0.02 0.78
SINCE JAN 1 8.01 7.78 0.23 5.20
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 6:00 AM
LOWEST 29 3:00 PM
AVERAGE 54
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 78 2010
MINIMUM TEMPERATURE (F) 35 14 1965
SUNRISE AND SUNSET
MARCH 20 2026.........SUNRISE 7:13 AM EDT SUNSET 7:22 PM EDT
MARCH 21 2026.........SUNRISE 7:12 AM EDT SUNSET 7:23 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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