605
CDUS41 KLWX 202140
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
540 PM EDT WED MAY 20 2026
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 20 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 96R 3:04 PM 96 1996 77 19 70
MINIMUM 71 5:09 AM 42 2002 59 12 55
AVERAGE 84 68 16 63
PRECIPITATION (IN)
TODAY 0.00 2.63 2005 0.13 -0.13 T
MONTH TO DATE 0.94 2.53 -1.59 4.75
SINCE MAR 1 4.39 9.24 -4.85 10.27
SINCE JAN 1 10.12 14.72 -4.60 15.06
SNOWFALL (IN)
TODAY MM MM MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.0 2.0 -1.0 0.0
SINCE JUL 1 10.6 13.7 -3.1 14.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 2
MONTH TO DATE 65 51 14 11
SINCE MAR 1 625 831 -206 523
SINCE JUL 1 3844 3754 90 3263
COOLING
TODAY 19 5 14 0
MONTH TO DATE 89 65 24 104
SINCE MAR 1 191 100 91 196
SINCE JAN 1 191 100 91 196
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 34 3:00 PM
AVERAGE 61
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1934
MINIMUM TEMPERATURE (F) 60 41 1907
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:52 AM EDT SUNSET 8:18 PM EDT
MAY 21 2026...........SUNRISE 5:51 AM EDT SUNSET 8:19 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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