302
CDUS41 KLWX 150630
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT MON JUN 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 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 91 3:24 PM 98 1994 83 8 83
MINIMUM 66 5:03 AM 41 1979 62 4 70
AVERAGE 79 72 7 77
PRECIPITATION (IN)
YESTERDAY 0.00 1.51 2025 0.15 -0.15 1.51
MONTH TO DATE 1.05 2.06 -1.01 3.22
SINCE JUN 1 1.05 2.06 -1.01 3.22
SINCE JAN 1 15.97 19.30 -3.33 17.14
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 13.6 21.0 -7.4 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 11 -10 15
SINCE JUN 1 1 11 -10 15
SINCE JUL 1 4412 4603 -191 4106
COOLING
YESTERDAY 14 8 6 12
MONTH TO DATE 127 85 42 106
SINCE JUN 1 127 85 42 106
SINCE JAN 1 300 191 109 224
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 44 1:00 PM
AVERAGE 67
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1994
MINIMUM TEMPERATURE (F) 62 42 1978
SUNRISE AND SUNSET
JUNE 15 2026..........SUNRISE 5:44 AM EDT SUNSET 8:37 PM EDT
JUNE 16 2026..........SUNRISE 5:44 AM EDT SUNSET 8:37 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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