907
CDUS41 KLWX 090629
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EDT THU APR 09 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 8 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 55 3:49 PM 87 1991 64 -9 48
MINIMUM 32 6:09 AM 24 1970 41 -9 35
AVERAGE 44 52 -8 42
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 2000 0.12 -0.12 0.00
MONTH TO DATE 0.71 0.88 -0.17 0.59
SINCE MAR 1 3.56 4.38 -0.82 2.01
SINCE JAN 1 9.36 9.93 -0.57 6.43
SNOWFALL (IN)
YESTERDAY 0.0 T 1972 0.0 0.0 0.0
2000
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE MAR 1 1.0 4.0 -3.0 0.0
SINCE JUL 1 13.6 21.0 -7.4 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 13 8 23
MONTH TO DATE 60 114 -54 86
SINCE MAR 1 502 761 -259 536
SINCE JUL 1 4131 4271 -140 3858
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 22 0 22 2
SINCE MAR 1 38 2 36 19
SINCE JAN 1 38 2 36 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 11:00 PM
LOWEST 19 4:00 PM
AVERAGE 36
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 89 2001
MINIMUM TEMPERATURE (F) 41 23 1977
SUNRISE AND SUNSET
APRIL 9 2026.........SUNRISE 6:42 AM EDT SUNSET 7:41 PM EDT
APRIL 10 2026.........SUNRISE 6:41 AM EDT SUNSET 7:42 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