430
CDUS41 KLWX 282125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT THU MAY 28 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 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 80 3:57 PM 90 1991 78 2 58
2012
2019
MINIMUM 67 1:39 AM 37 1994 57 10 52
AVERAGE 74 67 7 55
PRECIPITATION (IN)
TODAY T 2.16 1982 0.16 -0.16 1.17
MONTH TO DATE 4.60 4.26 0.34 5.25
SINCE MAR 1 9.12 11.23 -2.11 8.68
SINCE JAN 1 14.92 16.78 -1.86 13.10
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 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 0 2 -2 10
MONTH TO DATE 125 110 15 73
SINCE MAR 1 775 1077 -302 764
SINCE JUL 1 4404 4587 -183 4086
COOLING
TODAY 9 4 5 0
MONTH TO DATE 90 71 19 68
SINCE MAR 1 176 93 83 115
SINCE JAN 1 176 93 83 115
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 31 4:00 PM
AVERAGE 62
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 1969
MINIMUM TEMPERATURE (F) 57 40 1997
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 5:48 AM EDT SUNSET 8:27 PM EDT
MAY 29 2026...........SUNRISE 5:47 AM EDT SUNSET 8:27 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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