962
CDUS41 KLWX 170634
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
234 AM EDT TUE MAR 17 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 16 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 69 10:32 AM 81 1990 55 14 75
MINIMUM 35 9:38 PM 16 1969 34 1 57
AVERAGE 52 44 8 66
PRECIPITATION (IN)
YESTERDAY 0.91 1.56 2007 0.12 0.79 0.15
MONTH TO DATE 2.21 1.75 0.46 0.63
SINCE MAR 1 2.21 1.75 0.46 0.63
SINCE JAN 1 8.01 7.30 0.71 5.05
SNOWFALL (IN)
YESTERDAY T 6.6 2014 0.2 -0.2 0.0
MONTH TO DATE 1.0 2.7 -1.7 0.0
SINCE MAR 1 1.0 2.7 -1.7 0.0
SINCE JUL 1 13.6 19.7 -6.1 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 21 -8 0
MONTH TO DATE 234 373 -139 284
SINCE MAR 1 234 373 -139 284
SINCE JUL 1 3863 3883 -20 3606
COOLING
YESTERDAY 0 0 0 1
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 47 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 66 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 72 11:00 PM
AVERAGE 85
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 77 1963
MINIMUM TEMPERATURE (F) 34 16 1970
SUNRISE AND SUNSET
MARCH 17 2026.........SUNRISE 7:18 AM EDT SUNSET 7:19 PM EDT
MARCH 18 2026.........SUNRISE 7:16 AM EDT SUNSET 7:20 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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