018
CDUS41 KLWX 150627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT WED APR 15 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 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 87R 4:36 PM 87 1960 67 20 76
MINIMUM 54 5:53 AM 20 1975 43 11 43
AVERAGE 71 55 16 60
PRECIPITATION (IN)
YESTERDAY 0.01 2.13 1970 0.11 -0.10 0.18
MONTH TO DATE 0.72 1.54 -0.82 1.37
SINCE MAR 1 3.57 5.04 -1.47 2.79
SINCE JAN 1 9.37 10.59 -1.22 7.21
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
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 0 11 -11 5
MONTH TO DATE 93 185 -92 178
SINCE MAR 1 535 832 -297 628
SINCE JUL 1 4164 4342 -178 3950
COOLING
YESTERDAY 6 1 5 0
MONTH TO DATE 32 3 29 2
SINCE MAR 1 48 5 43 19
SINCE JAN 1 48 5 43 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 32 12:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1967
MINIMUM TEMPERATURE (F) 43 28 1971
1997
SUNRISE AND SUNSET
APRIL 15 2026.........SUNRISE 6:33 AM EDT SUNSET 7:47 PM EDT
APRIL 16 2026.........SUNRISE 6:32 AM EDT SUNSET 7:48 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