755
CDUS41 KLWX 170623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT SAT OCT 17 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 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 82 3:39 PM 85 1989 68 14 65
MINIMUM 60 2:15 AM 30 1986 45 15 39
AVERAGE 71 56 15 52
PRECIPITATION (IN)
YESTERDAY 0.17 1.10 2002 0.12 0.05 0.00
MONTH TO DATE 3.58 1.93 1.65 0.43
SINCE SEP 1 7.38 5.87 1.51 1.65
SINCE JAN 1 36.78 35.09 1.69 26.29
SNOWFALL (IN)
YESTERDAY 0.0 T 1977 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 13
MONTH TO DATE 34 108 -74 71
SINCE SEP 1 55 153 -98 78
SINCE JUL 1 55 154 -99 80
COOLING
YESTERDAY 6 0 6 0
MONTH TO DATE 44 19 25 12
SINCE SEP 1 268 171 97 182
SINCE JAN 1 1548 1227 321 1330
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 63 10:00 PM
AVERAGE 80
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2016
MINIMUM TEMPERATURE (F) 45 31 1981
1982
SUNRISE AND SUNSET
OCTOBER 17 2026.......SUNRISE 7:21 AM EDT SUNSET 6:28 PM EDT
OCTOBER 18 2026.......SUNRISE 7:22 AM EDT SUNSET 6:27 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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