605
CDUS43 KLOT 162240
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CST TUE DEC 16 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 16 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 39 2:32 PM 67 2021 37 2 54
MINIMUM 17 2:08 AM -12 1932 25 -8 37
1951
AVERAGE 28 31 -3 46
PRECIPITATION (IN)
TODAY 0.00 0.48 2023 0.05 -0.05 0.02
MONTH TO DATE 0.43 0.98 -0.55 0.26
SINCE DEC 1 0.43 0.98 -0.55 0.26
SINCE JAN 1 30.12 33.61 -3.49 35.45
DEGREE DAYS
HEATING
TODAY 37 34 3 19
MONTH TO DATE 677 506 171 548
SINCE DEC 1 677 506 171 548
SINCE JUL 1 1586 1590 -4 1254
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 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 3:00 AM
LOWEST 59 2:00 PM
AVERAGE 70
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 60 1977
MINIMUM TEMPERATURE (F) 25 -7 1951
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 7:12 AM CST SUNSET 4:21 PM CST
DECEMBER 17 2025......SUNRISE 7:13 AM CST SUNSET 4:22 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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