440
CDUS43 KLOT 092244
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CST TUE DEC 09 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 36 3:59 PM 61 1946 40 -4 55
MINIMUM 22 2:53 AM -8 1958 27 -5 45
AVERAGE 29 33 -4 50
PRECIPITATION (IN)
TODAY T 1.31 1953 0.06 -0.06 T
MONTH TO DATE 0.33 0.58 -0.25 T
SINCE DEC 1 0.33 0.58 -0.25 T
SINCE JAN 1 30.02 33.21 -3.19 35.19
DEGREE DAYS
HEATING
TODAY 36 32 4 15
MONTH TO DATE 371 275 96 307
SINCE DEC 1 371 275 96 307
SINCE JUL 1 1280 1359 -79 1013
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1410 1112 298 1384
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 13.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 3:00 PM
LOWEST 68 12:00 AM
AVERAGE 74
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 61 2021
MINIMUM TEMPERATURE (F) 27 -8 1978
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:07 AM CST SUNSET 4:20 PM CST
DECEMBER 10 2025......SUNRISE 7:08 AM CST SUNSET 4:20 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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