Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 212123
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI AUG 21 2026
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 21 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 84 3:18 PM 100 1874 87 -3 74
MINIMUM 65 5:43 AM 53 1908 71 -6 66
AVERAGE 75 79 -4 70
PRECIPITATION (IN)
TODAY 0.00 2.46 2018 0.10 -0.10 0.01
MONTH TO DATE 3.72 2.18 1.54 0.20
SINCE JUN 1 8.98 10.71 -1.73 9.22
SINCE JAN 1 21.01 26.84 -5.83 27.26
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 0 4 -4 8
SINCE JUL 1 0 0 0 0
COOLING
TODAY 10 14 -4 5
MONTH TO DATE 344 316 28 256
SINCE JUN 1 1256 1155 101 1178
SINCE JAN 1 1480 1322 158 1379
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 43 4:00 PM
AVERAGE 65
..........................................................
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 2026........SUNRISE 6:27 AM EDT SUNSET 7:54 PM EDT
AUGUST 22 2026........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.
$$