Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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769
CDUS41 KLWX 242134
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
534 PM EDT FRI JUL 24 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 24 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 2:17 PM 99 2010 88 -6 89
MINIMUM 57 5:05 AM 48 1985 67 -10 68
AVERAGE 70 77 -7 79
PRECIPITATION (IN)
TODAY 0.00 0.86 2020 0.14 -0.14 0.00
MONTH TO DATE 5.34 3.27 2.07 1.83
SINCE JUN 1 9.63 7.57 2.06 8.76
SINCE JAN 1 24.55 24.81 -0.26 22.68
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 1 13 -12 15
SINCE JUL 1 0 0 0 0
COOLING
TODAY 5 12 -7 14
MONTH TO DATE 355 286 69 349
SINCE JUN 1 633 524 109 670
SINCE JAN 1 806 630 176 788
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 42 3:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 2016
MINIMUM TEMPERATURE (F) 67 55 1976
SUNRISE AND SUNSET
JULY 24 2026..........SUNRISE 6:04 AM EDT SUNSET 8:28 PM EDT
JULY 25 2026..........SUNRISE 6:05 AM EDT SUNSET 8:28 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$