029
CDUS41 KLWX 150622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT WED JUL 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 14 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 90 4:12 PM 98 1993 88 2 89
2024
MINIMUM 64 5:29 AM 53 2009 67 -3 74
AVERAGE 77 77 0 82
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 2002 0.14 -0.14 0.11
MONTH TO DATE 3.69 1.90 1.79 1.30
SINCE JUN 1 7.98 6.20 1.78 8.23
SINCE JAN 1 22.90 23.44 -0.54 22.15
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 MM
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 12 12 0 17
MONTH TO DATE 219 166 53 205
SINCE JUN 1 497 404 93 526
SINCE JAN 1 670 510 160 644
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 50 2:00 PM
AVERAGE 74
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2024
MINIMUM TEMPERATURE (F) 67 53 1981
1987
SUNRISE AND SUNSET
JULY 15 2026..........SUNRISE 5:57 AM EDT SUNSET 8:35 PM EDT
JULY 16 2026..........SUNRISE 5:57 AM EDT SUNSET 8:34 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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