841
CDUS41 KLWX 182122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT SAT OCT 18 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 76 3:12 PM 85 2016 67 9 70
MINIMUM 44 1:23 AM 27 1976 44 0 33
1982
AVERAGE 60 56 4 52
PRECIPITATION (IN)
TODAY 0.00 2.09 1996 0.12 -0.12 0.00
MONTH TO DATE 0.43 2.16 -1.73 0.13
SINCE SEP 1 1.65 6.10 -4.45 3.40
SINCE JAN 1 26.29 35.32 -9.03 29.18
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 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
TODAY 5 10 -5 13
MONTH TO DATE 91 127 -36 111
SINCE SEP 1 98 172 -74 123
SINCE JUL 1 100 173 -73 125
COOLING
TODAY 0 0 0 0
MONTH TO DATE 12 19 -7 14
SINCE SEP 1 182 171 11 151
SINCE JAN 1 1330 1227 103 1565
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 36 2:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 2016
MINIMUM TEMPERATURE (F) 44 25 1976
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:23 AM EDT SUNSET 6:27 PM EDT
OCTOBER 19 2025.......SUNRISE 7:24 AM EDT SUNSET 6:25 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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