685
CDUS41 KLWX 282129
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT MON APR 28 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 28 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 3:59 PM 88 1983 71 3 86
1990
2021
MINIMUM 38 5:51 AM 32 1972 48 -10 53
1993
AVERAGE 56 59 -3 70
PRECIPITATION (IN)
TODAY 0.00 1.68 2002 0.13 -0.13 T
MONTH TO DATE 1.92 3.21 -1.29 1.60
SINCE MAR 1 3.34 6.71 -3.37 5.49
SINCE JAN 1 7.76 12.26 -4.50 12.94
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE MAR 1 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 9 7 2 0
MONTH TO DATE 241 307 -66 215
SINCE MAR 1 691 954 -263 679
SINCE JUL 1 4013 4464 -451 3643
COOLING
TODAY 0 1 -1 5
MONTH TO DATE 19 17 2 25
SINCE MAR 1 36 19 17 25
SINCE JAN 1 36 19 17 28
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 4:00 AM
LOWEST 24 3:00 PM
AVERAGE 53
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 2024
MINIMUM TEMPERATURE (F) 48 32 1987
SUNRISE AND SUNSET
APRIL 28 2025.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT
APRIL 29 2025.........SUNRISE 6:14 AM EDT SUNSET 8:01 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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