411
CDUS41 KLWX 220627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT MON JUN 22 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 21 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 86 4:15 PM 98 1988 85 1 90
MINIMUM 66 10:16 PM 49 1992 64 2 66
AVERAGE 76 74 2 78
PRECIPITATION (IN)
YESTERDAY T 10.67 1972 0.14 -0.14 0.00
MONTH TO DATE 1.06 3.03 -1.97 5.84
SINCE JUN 1 1.06 3.03 -1.97 5.84
SINCE JAN 1 15.98 20.27 -4.29 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 11 9 2 13
MONTH TO DATE 190 144 46 173
SINCE JUN 1 190 144 46 173
SINCE JAN 1 363 250 113 291
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 6:00 AM
LOWEST 29 5:00 PM
AVERAGE 49
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 2024
MINIMUM TEMPERATURE (F) 64 48 1963
1992
SUNRISE AND SUNSET
JUNE 22 2026..........SUNRISE 5:45 AM EDT SUNSET 8:39 PM EDT
JUNE 23 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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