885
CDUS41 KLWX 020621
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT SAT MAY 02 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 1 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 68 4:32 PM 90 2010 72 -4 83
MINIMUM 38 4:15 AM 33 1996 48 -10 55
AVERAGE 53 60 -7 69
PRECIPITATION (IN)
YESTERDAY 0.01 1.42 1981 0.14 -0.13 0.00
MONTH TO DATE 0.01 0.14 -0.13 0.00
SINCE MAR 1 4.53 7.11 -2.58 3.43
SINCE JAN 1 10.33 12.66 -2.33 7.85
SNOWFALL (IN)
YESTERDAY 0.0 T 1963 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 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 12 6 6 0
MONTH TO DATE 12 6 6 0
SINCE MAR 1 662 973 -311 691
SINCE JUL 1 4291 4483 -192 4013
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 0 1 -1 4
SINCE MAR 1 86 23 63 51
SINCE JAN 1 86 23 63 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 12:00 AM
LOWEST 29 3:00 PM
AVERAGE 56
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2024
MINIMUM TEMPERATURE (F) 49 34 1960
1979
SUNRISE AND SUNSET
MAY 2 2026...........SUNRISE 6:11 AM EDT SUNSET 8:04 PM EDT
MAY 3 2026...........SUNRISE 6:09 AM EDT SUNSET 8:04 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