605
CDUS41 KLWX 190623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT THU MAR 19 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 18 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 41 5:01 PM 80 1989 55 -14 67
MINIMUM 23 4:58 AM 13 1976 34 -11 39
AVERAGE 32 45 -13 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 1998 0.12 -0.12 0.00
MONTH TO DATE 2.21 1.99 0.22 0.64
SINCE MAR 1 2.21 1.99 0.22 0.64
SINCE JAN 1 8.01 7.54 0.47 5.06
SNOWFALL (IN)
YESTERDAY 0.0 1.5 1994 0.1 -0.1 0.0
MONTH TO DATE 1.0 2.9 -1.9 0.0
SINCE MAR 1 1.0 2.9 -1.9 0.0
SINCE JUL 1 13.6 19.9 -6.3 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 20 13 12
MONTH TO DATE 298 414 -116 312
SINCE MAR 1 298 414 -116 312
SINCE JUL 1 3927 3924 3 3634
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 4:00 AM
LOWEST 30 3:00 PM
AVERAGE 45
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 76 2012
2022
MINIMUM TEMPERATURE (F) 34 10 1967
SUNRISE AND SUNSET
MARCH 19 2026.........SUNRISE 7:15 AM EDT SUNSET 7:21 PM EDT
MARCH 20 2026.........SUNRISE 7:13 AM EDT SUNSET 7:22 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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