566
CDUS41 KLWX 280639
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
239 AM EDT MON SEP 28 2026
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 27 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 12:46 PM 95 1998 77 -11 79
MINIMUM 61 11:44 PM 40 1879 60 1 67
AVERAGE 64 68 -4 73
PRECIPITATION (IN)
YESTERDAY 0.04 3.17 1985 0.13 -0.09 0.12
MONTH TO DATE 4.26 3.53 0.73 3.72
SINCE SEP 1 4.26 3.53 0.73 3.72
SINCE JAN 1 25.82 31.44 -5.62 30.98
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 0
MONTH TO DATE 15 8 7 0
SINCE SEP 1 15 8 7 0
SINCE JUL 1 15 8 7 0
COOLING
YESTERDAY 0 5 -5 8
MONTH TO DATE 267 226 41 201
SINCE SEP 1 267 226 41 201
SINCE JAN 1 1876 1678 198 1666
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 13.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 PM
LOWEST 67 2:00 AM
AVERAGE 79
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1886
MINIMUM TEMPERATURE (F) 60 42 1897
1918
1947
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 7:01 AM EDT SUNSET 6:55 PM EDT
SEPTEMBER 29 2026.....SUNRISE 7:02 AM EDT SUNSET 6:54 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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