724
CDUS41 KLWX 270626
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT MON APR 27 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 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 58 4:43 PM 92 1990 71 -13 78
2009
MINIMUM 44 11:59 PM 31 1967 47 -3 51
AVERAGE 51 59 -8 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 2004 0.12 -0.12 0.02
MONTH TO DATE 1.15 2.95 -1.80 1.92
SINCE MAR 1 4.00 6.45 -2.45 3.34
SINCE JAN 1 9.80 12.00 -2.20 7.76
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE T 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 14 7 7 0
MONTH TO DATE 170 293 -123 225
SINCE MAR 1 612 940 -328 675
SINCE JUL 1 4241 4450 -209 3997
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 70 15 55 19
SINCE MAR 1 86 17 69 36
SINCE JAN 1 86 17 69 36
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 57 2:00 PM
AVERAGE 74
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1990
2009
MINIMUM TEMPERATURE (F) 47 31 1972
1987
SUNRISE AND SUNSET
APRIL 27 2026.........SUNRISE 6:17 AM EDT SUNSET 7:59 PM EDT
APRIL 28 2026.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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