448
CDUS41 KLWX 300626
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT MON JUN 30 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 29 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 92 3:27 PM 102 2012 87 5 93
MINIMUM 70 5:18 AM 47 1970 65 5 70
AVERAGE 81 76 5 82
PRECIPITATION (IN)
YESTERDAY T 2.70 1975 0.14 -0.14 0.00
MONTH TO DATE 6.93 4.16 2.77 0.64
SINCE JUN 1 6.93 4.16 2.77 0.64
SINCE JAN 1 20.85 21.40 -0.55 17.94
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 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
YESTERDAY 16 11 5 17
MONTH TO DATE 304 227 77 333
SINCE JUN 1 304 227 77 333
SINCE JAN 1 422 333 89 516
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 2.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 52 3:00 PM
AVERAGE 75
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 1964
MINIMUM TEMPERATURE (F) 66 51 1989
SUNRISE AND SUNSET
JUNE 30 2025..........SUNRISE 5:48 AM EDT SUNSET 8:39 PM EDT
JULY 1 2025..........SUNRISE 5:48 AM EDT SUNSET 8:39 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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