Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 212132
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
532 PM EDT THU AUG 21 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 12:36 AM 100 1874 87 -13 78
MINIMUM 66 8:23 AM 53 1908 71 -5 59
AVERAGE 70 79 -9 69
PRECIPITATION (IN)
TODAY 0.01 2.46 2018 0.10 -0.09 0.00
MONTH TO DATE 0.20 2.18 -1.98 3.65
SINCE JUN 1 9.22 10.71 -1.49 9.62
SINCE JAN 1 27.26 26.84 0.42 28.16
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 8 4 4 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 5 14 -9 4
MONTH TO DATE 256 316 -60 320
SINCE JUN 1 1178 1155 23 1359
SINCE JAN 1 1379 1322 57 1584
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 14.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 76 4:00 PM
AVERAGE 85
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 1983
MINIMUM TEMPERATURE (F) 71 51 1923
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:28 AM EDT SUNSET 7:54 PM EDT
AUGUST 22 2025........SUNRISE 6:28 AM EDT SUNSET 7:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$