606
CDUS41 KLWX 152127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT MON JUN 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 15 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 2:38 PM 99 1994 83 -5 71
MINIMUM 66 6:06 AM 42 1978 62 4 64
AVERAGE 72 72 0 68
PRECIPITATION (IN)
TODAY 0.00 1.70 1960 0.15 -0.15 1.52
MONTH TO DATE 1.05 2.21 -1.16 4.74
SINCE JUN 1 1.05 2.21 -1.16 4.74
SINCE JAN 1 15.97 19.45 -3.48 18.66
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 7 8 -1 3
MONTH TO DATE 134 93 41 109
SINCE JUN 1 134 93 41 109
SINCE JAN 1 307 199 108 227
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 1:00 AM
LOWEST 41 1:00 PM
AVERAGE 56
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1991
1994
MINIMUM TEMPERATURE (F) 62 47 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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