725
CDUS41 KLWX 282128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT TUE APR 28 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 28 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 63 3:59 PM 88 1983 71 -8 74
1990
2021
MINIMUM 49 4:56 AM 32 1972 48 1 38
1993
AVERAGE 56 59 -3 56
PRECIPITATION (IN)
TODAY T 1.68 2002 0.13 -0.13 0.00
MONTH TO DATE 1.15 3.21 -2.06 1.92
SINCE MAR 1 4.00 6.71 -2.71 3.34
SINCE JAN 1 9.80 12.26 -2.46 7.76
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
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 9 7 2 9
MONTH TO DATE 190 307 -117 241
SINCE MAR 1 632 954 -322 691
SINCE JUL 1 4261 4464 -203 4013
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 70 17 53 19
SINCE MAR 1 86 19 67 36
SINCE JAN 1 86 19 67 36
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 5:00 AM
LOWEST 58 2:00 PM
AVERAGE 68
......................................................
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 2026.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT
APRIL 29 2026.........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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