445
CDUS41 KLWX 152129
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT TUE SEP 15 2026
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 3:59 PM 97 1927 81 -3 82
1930
MINIMUM 58 4:46 AM 43 1899 65 -7 66
1902
AVERAGE 68 73 -5 74
PRECIPITATION (IN)
TODAY 0.00 2.52 1904 0.14 -0.14 0.00
MONTH TO DATE 2.28 1.95 0.33 2.50
SINCE SEP 1 2.28 1.95 0.33 2.50
SINCE JAN 1 23.84 29.86 -6.02 29.76
SNOWFALL (IN)
TODAY 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 3 8 -5 9
MONTH TO DATE 200 152 48 108
SINCE SEP 1 200 152 48 108
SINCE JAN 1 1809 1604 205 1573
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 4:00 AM
LOWEST 40 12:00 PM
AVERAGE 55
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 96 1991
MINIMUM TEMPERATURE (F) 64 44 1902
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:50 AM EDT SUNSET 7:16 PM EDT
SEPTEMBER 16 2026.....SUNRISE 6:50 AM EDT SUNSET 7:15 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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