323
CDUS41 KLWX 250627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SAT APR 25 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 24 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 86R 2:28 PM 85 1990 70 16 78
1994
2011
MINIMUM 55 10:30 PM 30 1989 46 9 47
AVERAGE 71 58 13 63
PRECIPITATION (IN)
YESTERDAY 0.01 1.25 1983 0.12 -0.11 0.00
MONTH TO DATE 0.93 2.70 -1.77 1.37
SINCE MAR 1 3.78 6.20 -2.42 2.79
SINCE JAN 1 9.58 11.75 -2.17 7.21
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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
YESTERDAY 0 8 -8 2
MONTH TO DATE 147 278 -131 223
SINCE MAR 1 589 925 -336 673
SINCE JUL 1 4218 4435 -217 3995
COOLING
YESTERDAY 6 1 5 0
MONTH TO DATE 70 13 57 19
SINCE MAR 1 86 15 71 36
SINCE JAN 1 86 15 71 36
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 38 3:00 PM
AVERAGE 66
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 93 1960
MINIMUM TEMPERATURE (F) 46 29 1969
SUNRISE AND SUNSET
APRIL 25 2026.........SUNRISE 6:19 AM EDT SUNSET 7:57 PM EDT
APRIL 26 2026.........SUNRISE 6:18 AM EDT SUNSET 7:58 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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