955
CDUS41 KLWX 202124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT MON APR 20 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 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 56 2:14 PM 88 1976 69 -13 73
1985
2023
MINIMUM 38 12:40 AM 28 1974 45 -7 61
AVERAGE 47 57 -10 67
PRECIPITATION (IN)
TODAY T 2.90 2008 0.12 -0.12 0.00
MONTH TO DATE 0.92 2.21 -1.29 1.37
SINCE MAR 1 3.77 5.71 -1.94 2.79
SINCE JAN 1 9.57 11.26 -1.69 7.21
SNOWFALL (IN)
TODAY T R T 1983 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
TODAY 18 9 9 0
MONTH TO DATE 124 244 -120 217
SINCE MAR 1 566 891 -325 667
SINCE JUL 1 4195 4401 -206 3989
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 61 9 52 14
SINCE MAR 1 77 11 66 31
SINCE JAN 1 77 11 66 31
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
HAIL
SLEET
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 2:00 AM
LOWEST 23 3:00 PM
AVERAGE 53
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 1985
MINIMUM TEMPERATURE (F) 45 29 1983
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 6:26 AM EDT SUNSET 7:52 PM EDT
APRIL 21 2026.........SUNRISE 6:25 AM EDT SUNSET 7:53 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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