742
CDUS41 KLWX 030729
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EST SAT JAN 03 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 2 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 38 3:42 PM 67 2000 43 -5 42
MINIMUM 23 8:11 PM -7 1968 26 -3 34
AVERAGE 31 35 -4 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.40 1979 0.09 -0.09 0.00
MONTH TO DATE 0.01 0.18 -0.17 0.00
SINCE DEC 1 1.31 3.48 -2.17 3.34
SINCE JAN 1 0.01 0.18 -0.17 0.00
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1987 0.2 -0.2 0.0
2014
MONTH TO DATE 0.1 0.3 -0.2 0.0
SINCE DEC 1 2.1 3.1 -1.0 0.1
SINCE JUL 1 2.1 3.4 -1.3 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 34 30 4 27
MONTH TO DATE 71 60 11 49
SINCE DEC 1 1005 905 100 878
SINCE JUL 1 1798 1805 -7 1546
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 8:00 PM
LOWEST 37 4:00 AM
AVERAGE 54
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 69 2023
MINIMUM TEMPERATURE (F) 26 1 2018
SUNRISE AND SUNSET
JANUARY 3 2026.......SUNRISE 7:29 AM EST SUNSET 5:00 PM EST
JANUARY 4 2026.......SUNRISE 7:29 AM EST SUNSET 5:01 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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