957
CDUS41 KLWX 170625
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT WED JUN 17 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 16 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 79 2:47 PM 96 1991 83 -4 68
1994
MINIMUM 57 4:13 AM 47 1978 62 -5 63
AVERAGE 68 73 -5 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.82 2016 0.14 -0.14 0.38
MONTH TO DATE 1.05 2.35 -1.30 5.12
SINCE JUN 1 1.05 2.35 -1.30 5.12
SINCE JAN 1 15.97 19.59 -3.62 19.04
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 3 8 -5 1
MONTH TO DATE 136 101 35 110
SINCE JUN 1 136 101 35 110
SINCE JAN 1 309 207 102 228
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 1:00 AM
LOWEST 31 11:00 AM
AVERAGE 49
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 2022
MINIMUM TEMPERATURE (F) 63 46 1980
SUNRISE AND SUNSET
JUNE 17 2026..........SUNRISE 5:44 AM EDT SUNSET 8:38 PM EDT
JUNE 18 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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