Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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072
CDUS41 KLWX 260632
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EDT SAT SEP 26 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 25 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 74 2:55 PM 93 2010 76 -2 82
MINIMUM 52 12:34 AM 33 1983 54 -2 70
AVERAGE 63 65 -2 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.67 1975 0.13 -0.13 0.16
MONTH TO DATE 3.61 3.24 0.37 1.22
SINCE SEP 1 3.61 3.24 0.37 1.22
SINCE JAN 1 33.01 32.46 0.55 25.86
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 SEP 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 2 3 -1 0
MONTH TO DATE 19 25 -6 7
SINCE SEP 1 19 25 -6 7
SINCE JUL 1 19 26 -7 9
COOLING
YESTERDAY 0 3 -3 11
MONTH TO DATE 191 140 51 135
SINCE SEP 1 191 140 51 135
SINCE JAN 1 1471 1196 275 1283
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 12.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 12:00 AM
LOWEST 27 2:00 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2007
MINIMUM TEMPERATURE (F) 54 38 1964
1983
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 7:01 AM EDT SUNSET 7:00 PM EDT
SEPTEMBER 27 2026.....SUNRISE 7:02 AM EDT SUNSET 6:59 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$