879
CDUS41 KLWX 300631
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EDT THU OCT 30 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 29 2025
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)
YESTERDAY
MAXIMUM 58 3:27 PM 82 1984 63 -5 68
MINIMUM 47 7:28 AM 19 1976 41 6 36
AVERAGE 53 52 1 52
PRECIPITATION (IN)
YESTERDAY 0.58 4.26 2012 0.12 0.46 0.00
MONTH TO DATE 1.55 3.43 -1.88 0.13
SINCE SEP 1 2.77 7.37 -4.60 3.40
SINCE JAN 1 27.41 36.59 -9.18 29.18
SNOWFALL (IN)
YESTERDAY 0.0 0.6 2011 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 12 13 -1 13
MONTH TO DATE 233 255 -22 222
SINCE SEP 1 240 300 -60 234
SINCE JUL 1 242 301 -59 236
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 9:00 PM
LOWEST 59 12:00 PM
AVERAGE 78
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 84 2016
MINIMUM TEMPERATURE (F) 40 20 1969
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:35 AM EDT SUNSET 6:11 PM EDT
OCTOBER 31 2025.......SUNRISE 7:36 AM EDT SUNSET 6:10 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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