822
CDUS43 KLOT 122234
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST FRI DEC 12 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 12 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 32 1:27 PM 62 1991 39 -7 16
MINIMUM 20 7:42 AM -7 1962 26 -6 5
AVERAGE 26 32 -6 11
PRECIPITATION (IN)
TODAY 0.00 1.76 1972 0.06 -0.06 0.00
MONTH TO DATE 0.43 0.76 -0.33 T
SINCE DEC 1 0.43 0.76 -0.33 T
SINCE JAN 1 30.12 33.39 -3.27 35.19
DEGREE DAYS
HEATING
TODAY 39 33 6 54
MONTH TO DATE 478 372 106 430
SINCE DEC 1 478 372 106 430
SINCE JUL 1 1387 1456 -69 1136
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 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 8:00 AM
LOWEST 66 12:00 AM
AVERAGE 75
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 67 1975
MINIMUM TEMPERATURE (F) 26 -3 1958
2000
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 7:09 AM CST SUNSET 4:20 PM CST
DECEMBER 13 2025......SUNRISE 7:10 AM CST SUNSET 4:21 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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