740
CDUS41 KLWX 182121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT THU JUN 18 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 18 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 85 2:27 PM 94 2006 84 1 88
2007
2018
MINIMUM 72 6:42 AM 45 1965 63 9 74
AVERAGE 79 73 6 81
PRECIPITATION (IN)
TODAY T 1.14 1991 0.13 -0.13 0.22
MONTH TO DATE 1.05 2.63 -1.58 5.40
SINCE JUN 1 1.05 2.63 -1.58 5.40
SINCE JAN 1 15.97 19.87 -3.90 19.32
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 14 8 6 16
MONTH TO DATE 158 117 41 135
SINCE JUN 1 158 117 41 135
SINCE JAN 1 331 223 108 253
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 2:00 AM
LOWEST 51 3:00 PM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 1994
MINIMUM TEMPERATURE (F) 63 45 1986
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 5:44 AM EDT SUNSET 8:38 PM EDT
JUNE 19 2026..........SUNRISE 5:44 AM EDT SUNSET 8:38 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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