170
CDUS41 KLWX 150629
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EDT SUN MAR 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 14 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 60 4:07 PM 88 1990 54 6 55
MINIMUM 40 10:20 PM 15 1968 33 7 34
1993
AVERAGE 50 43 7 45
PRECIPITATION (IN)
YESTERDAY 0.00 0.99 1999 0.12 -0.12 0.00
MONTH TO DATE 1.23 1.51 -0.28 0.48
SINCE MAR 1 1.23 1.51 -0.28 0.48
SINCE JAN 1 7.03 7.06 -0.03 4.90
SNOWFALL (IN)
YESTERDAY 0.0 4.1 2017 0.2 -0.2 0.0
MONTH TO DATE 1.0 2.4 -1.4 0.0
SINCE MAR 1 1.0 2.4 -1.4 0.0
SINCE JUL 1 13.6 19.4 -5.8 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 22 -7 20
MONTH TO DATE 203 331 -128 272
SINCE MAR 1 203 331 -128 272
SINCE JUL 1 3832 3841 -9 3594
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 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 51 3:00 AM
LOWEST 17 5:00 PM
AVERAGE 34
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 84 2012
MINIMUM TEMPERATURE (F) 33 -1 1993
SUNRISE AND SUNSET
MARCH 15 2026.........SUNRISE 7:21 AM EDT SUNSET 7:17 PM EDT
MARCH 16 2026.........SUNRISE 7:19 AM EDT SUNSET 7:18 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