668
CDUS41 KLWX 210625
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT SUN JUN 21 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 20 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 87 3:53 PM 97 1964 85 2 86
MINIMUM 60 4:58 AM 48 2000 63 -3 63
2022
AVERAGE 74 74 0 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.49 1962 0.13 -0.13 0.00
MONTH TO DATE 1.06 2.89 -1.83 5.84
SINCE JUN 1 1.06 2.89 -1.83 5.84
SINCE JAN 1 15.98 20.13 -4.15 19.76
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 9 9 0 10
MONTH TO DATE 179 135 44 160
SINCE JUN 1 179 135 44 160
SINCE JAN 1 352 241 111 278
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 5:00 AM
LOWEST 24 4:00 PM
AVERAGE 48
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 1988
MINIMUM TEMPERATURE (F) 64 49 1992
SUNRISE AND SUNSET
JUNE 21 2026..........SUNRISE 5:45 AM EDT SUNSET 8:39 PM EDT
JUNE 22 2026..........SUNRISE 5:45 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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