708
CDUS41 KLWX 152127
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT MON SEP 15 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 82 1:35 PM 97 1927 81 1 84
1930
MINIMUM 66 5:32 AM 43 1899 65 1 64
1902
AVERAGE 74 73 1 74
PRECIPITATION (IN)
TODAY 0.00 2.52 1904 0.14 -0.14 0.00
MONTH TO DATE 2.50 1.95 0.55 0.02
SINCE SEP 1 2.50 1.95 0.55 0.02
SINCE JAN 1 29.76 29.86 -0.10 29.11
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 9 8 1 9
MONTH TO DATE 108 152 -44 112
SINCE SEP 1 108 152 -44 112
SINCE JAN 1 1573 1604 -31 1827
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 47 1:00 PM
AVERAGE 69
......................................................
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 2025.....SUNRISE 6:50 AM EDT SUNSET 7:16 PM EDT
SEPTEMBER 16 2025.....SUNRISE 6:51 AM EDT SUNSET 7:14 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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