893
CDUS41 KLWX 310731
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EST SAT JAN 31 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 30 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 21 4:08 PM 72 2013 43 -22 54
MINIMUM 6 4:40 AM 2 1965 25 -19 28
AVERAGE 14 34 -20 41
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 2013 0.10 -0.10 0.01
MONTH TO DATE 3.18 2.85 0.33 1.16
SINCE DEC 1 4.48 6.15 -1.67 4.50
SINCE JAN 1 3.18 2.85 0.33 1.16
SNOWFALL (IN)
YESTERDAY 0.0 6.3 2000 0.3 -0.3 0.0
MONTH TO DATE 8.2 6.6 1.6 10.5
SINCE DEC 1 10.2 9.4 0.8 10.6
SINCE JUL 1 10.2 9.7 0.5 10.6
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 51 31 20 24
MONTH TO DATE 1008 926 82 1049
SINCE DEC 1 1942 1771 171 1878
SINCE JUL 1 2735 2671 64 2546
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 5:00 AM
LOWEST 32 2:00 PM
AVERAGE 49
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 2012
MINIMUM TEMPERATURE (F) 25 -7 1965
SUNRISE AND SUNSET
JANUARY 31 2026.......SUNRISE 7:17 AM EST SUNSET 5:30 PM EST
FEBRUARY 1 2026......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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