Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 300624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SUN AUG 30 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 2026...
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)
YESTERDAY
MAXIMUM 84 3:10 PM 98 1991 85 -1 82
MINIMUM 66 5:37 AM 38 1982 63 3 55
AVERAGE 75 74 1 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 2024 0.11 -0.11 0.00
MONTH TO DATE 4.30 3.31 0.99 0.85
SINCE JUN 1 13.93 11.76 2.17 10.72
SINCE JAN 1 28.85 29.00 -0.15 24.64
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 13 -12 15
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 9 1 4
MONTH TO DATE 367 317 50 232
SINCE JUN 1 1080 933 147 1030
SINCE JAN 1 1253 1039 214 1148
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 44 12:00 PM
AVERAGE 66
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1991
MINIMUM TEMPERATURE (F) 63 41 1986
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:37 AM EDT SUNSET 7:43 PM EDT
AUGUST 31 2026........SUNRISE 6:38 AM EDT SUNSET 7:42 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$