537
CDUS41 KLWX 160624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT MON MAR 16 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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 57 11:59 PM 84 2012 54 3 61
MINIMUM 37 2:29 AM -1 1993 33 4 44
AVERAGE 47 44 3 53
PRECIPITATION (IN)
YESTERDAY 0.07 0.89 1967 0.12 -0.05 0.00
MONTH TO DATE 1.30 1.63 -0.33 0.48
SINCE MAR 1 1.30 1.63 -0.33 0.48
SINCE JAN 1 7.10 7.18 -0.08 4.90
SNOWFALL (IN)
YESTERDAY 0.0 1.4 1999 0.1 -0.1 0.0
MONTH TO DATE 1.0 2.5 -1.5 0.0
SINCE MAR 1 1.0 2.5 -1.5 0.0
SINCE JUL 1 13.6 19.5 -5.9 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 21 -3 12
MONTH TO DATE 221 352 -131 284
SINCE MAR 1 221 352 -131 284
SINCE JUL 1 3850 3862 -12 3606
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 20 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 33 12:00 AM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 81 1990
MINIMUM TEMPERATURE (F) 34 16 1969
SUNRISE AND SUNSET
MARCH 16 2026.........SUNRISE 7:19 AM EDT SUNSET 7:18 PM EDT
MARCH 17 2026.........SUNRISE 7:18 AM EDT SUNSET 7:19 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