601
CDUS41 KLWX 162125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT SAT MAY 16 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 16 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 85 3:49 PM 90 1998 75 10 89
MINIMUM 45 5:04 AM 35 2000 53 -8 65
AVERAGE 65 64 1 77
PRECIPITATION (IN)
TODAY 0.00 1.97 2014 0.15 -0.15 T
MONTH TO DATE 0.86 2.37 -1.51 3.33
SINCE MAR 1 5.38 9.34 -3.96 6.76
SINCE JAN 1 11.18 14.89 -3.71 11.18
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 4 -4 0
MONTH TO DATE 93 77 16 20
SINCE MAR 1 743 1044 -301 711
SINCE JUL 1 4372 4554 -182 4033
COOLING
TODAY 0 3 -3 12
MONTH TO DATE 8 29 -21 52
SINCE MAR 1 94 51 43 99
SINCE JAN 1 94 51 43 99
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 29 1:00 PM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1960
MINIMUM TEMPERATURE (F) 53 30 1984
SUNRISE AND SUNSET
MAY 16 2026...........SUNRISE 5:56 AM EDT SUNSET 8:17 PM EDT
MAY 17 2026...........SUNRISE 5:55 AM EDT SUNSET 8:18 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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