858
CDUS41 KLWX 112128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT SAT APR 11 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 11 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 71 3:55 PM 87 1977 65 6 49
MINIMUM 56 1:45 AM 25 1960 42 14 45
1970
1971
AVERAGE 64 54 10 47
PRECIPITATION (IN)
TODAY 0.00 0.74 2009 0.11 -0.11 0.53
MONTH TO DATE 0.71 1.22 -0.51 1.14
SINCE MAR 1 3.56 4.72 -1.16 2.56
SINCE JAN 1 9.36 10.27 -0.91 6.98
SNOWFALL (IN)
TODAY 0.0 T 1973 0.0 0.0 0.0
1986
MONTH TO DATE 0.0 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 1 12 -11 18
MONTH TO DATE 81 151 -70 144
SINCE MAR 1 523 798 -275 594
SINCE JUL 1 4152 4308 -156 3916
COOLING
TODAY 0 0 0 0
MONTH TO DATE 22 0 22 2
SINCE MAR 1 38 2 36 19
SINCE JAN 1 38 2 36 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 6:00 AM
LOWEST 29 4:00 PM
AVERAGE 52
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1977
MINIMUM TEMPERATURE (F) 42 23 1982
SUNRISE AND SUNSET
APRIL 11 2026.........SUNRISE 6:39 AM EDT SUNSET 7:43 PM EDT
APRIL 12 2026.........SUNRISE 6:38 AM EDT SUNSET 7:44 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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