517
CDUS41 KLWX 160629
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EDT FRI OCT 16 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 15 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 77 12:34 AM 88 1989 68 9 73
MINIMUM 59 10:28 PM 28 1987 46 13 54
AVERAGE 68 57 11 64
PRECIPITATION (IN)
YESTERDAY 0.14 1.30 2014 0.12 0.02 0.00
MONTH TO DATE 3.41 1.81 1.60 0.43
SINCE SEP 1 7.21 5.75 1.46 1.65
SINCE JAN 1 36.61 34.97 1.64 26.29
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 9 -9 1
MONTH TO DATE 34 99 -65 58
SINCE SEP 1 55 144 -89 65
SINCE JUL 1 55 145 -90 67
COOLING
YESTERDAY 3 0 3 0
MONTH TO DATE 38 19 19 12
SINCE SEP 1 262 171 91 182
SINCE JAN 1 1542 1227 315 1330
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 11:00 PM
LOWEST 65 1:00 PM
AVERAGE 81
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1989
MINIMUM TEMPERATURE (F) 45 30 1986
SUNRISE AND SUNSET
OCTOBER 16 2026.......SUNRISE 7:20 AM EDT SUNSET 6:30 PM EDT
OCTOBER 17 2026.......SUNRISE 7:21 AM EDT SUNSET 6:28 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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