984
CDUS41 KLWX 120621
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT THU MAR 12 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 11 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 86R 3:12 PM 79 2021 53 33 73
MINIMUM 60 7:06 AM 13 1996 32 28 30
AVERAGE 73 42 31 52
PRECIPITATION (IN)
YESTERDAY 0.02 0.82 1963 0.11 -0.09 0.00
MONTH TO DATE 0.75 1.17 -0.42 0.48
SINCE MAR 1 0.75 1.17 -0.42 0.48
SINCE JAN 1 6.55 6.72 -0.17 4.90
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1963 0.1 -0.1 0.0
MONTH TO DATE 0.4 1.9 -1.5 0.0
SINCE MAR 1 0.4 1.9 -1.5 0.0
SINCE JUL 1 13.0 18.9 -5.9 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 23 -23 13
MONTH TO DATE 151 265 -114 223
SINCE MAR 1 151 265 -114 223
SINCE JUL 1 3780 3775 5 3545
COOLING
YESTERDAY 8 0 8 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 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 8:00 PM
LOWEST 40 5:00 PM
AVERAGE 65
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 89 1990
MINIMUM TEMPERATURE (F) 32 18 1969
1984
1998
SUNRISE AND SUNSET
MARCH 12 2026.........SUNRISE 7:26 AM EDT SUNSET 7:14 PM EDT
MARCH 13 2026.........SUNRISE 7:24 AM EDT SUNSET 7:15 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