354
CDUS41 KLWX 090620
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
220 AM EDT FRI OCT 09 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 8 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 3:49 PM 92 2007 71 8 73
MINIMUM 51 11:59 PM 30 2001 48 3 56
AVERAGE 65 60 5 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.79 2005 0.13 -0.13 0.14
MONTH TO DATE 0.40 1.01 -0.61 0.16
SINCE SEP 1 4.20 4.95 -0.75 1.38
SINCE JAN 1 33.60 34.17 -0.57 26.02
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 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 7 -7 0
MONTH TO DATE 22 44 -22 17
SINCE SEP 1 43 89 -46 24
SINCE JUL 1 43 90 -47 26
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 19 13 6 12
SINCE SEP 1 243 165 78 182
SINCE JAN 1 1523 1221 302 1330
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 27 4:00 PM
AVERAGE 60
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 2007
MINIMUM TEMPERATURE (F) 48 26 2001
SUNRISE AND SUNSET
OCTOBER 9 2026.......SUNRISE 7:13 AM EDT SUNSET 6:40 PM EDT
OCTOBER 10 2026.......SUNRISE 7:14 AM EDT SUNSET 6:38 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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