433
CDUS41 KLWX 130631
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EDT FRI MAR 13 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 12 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 76 12:22 AM 89 1990 53 23 68
MINIMUM 28 11:59 PM 18 1969 32 -4 43
1984
1998
AVERAGE 52 43 9 56
PRECIPITATION (IN)
YESTERDAY 0.48 1.41 1968 0.11 0.37 0.00
MONTH TO DATE 1.23 1.28 -0.05 0.48
SINCE MAR 1 1.23 1.28 -0.05 0.48
SINCE JAN 1 7.03 6.83 0.20 4.90
SNOWFALL (IN)
YESTERDAY 0.6 4.5 1968 0.2 0.4 0.0
MONTH TO DATE 1.0 2.1 -1.1 0.0
SINCE MAR 1 1.0 2.1 -1.1 0.0
SINCE JUL 1 13.6 19.1 -5.5 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 22 -9 9
MONTH TO DATE 164 287 -123 232
SINCE MAR 1 164 287 -123 232
SINCE JUL 1 3793 3797 -4 3554
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 8 0 8 0
SINCE MAR 1 8 0 8 0
SINCE JAN 1 8 0 8 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 PM
LOWEST 36 6:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 87 1990
MINIMUM TEMPERATURE (F) 33 16 1998
SUNRISE AND SUNSET
MARCH 13 2026.........SUNRISE 7:24 AM EDT SUNSET 7:15 PM EDT
MARCH 14 2026.........SUNRISE 7:23 AM EDT SUNSET 7:16 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page