724
CDUS43 KLOT 182235
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST THU DEC 18 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 18 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 53 12:56 PM 59 1939 37 16 37
MINIMUM 39 3:59 PM -9 1983 24 15 27
AVERAGE 46 30 16 32
PRECIPITATION (IN)
TODAY 0.20 1.06 2002 0.06 0.14 T
MONTH TO DATE 0.63 1.10 -0.47 0.26
SINCE DEC 1 0.63 1.10 -0.47 0.26
SINCE JAN 1 30.32 33.73 -3.41 35.45
DEGREE DAYS
HEATING
TODAY 19 34 -15 33
MONTH TO DATE 722 574 148 610
SINCE DEC 1 722 574 148 610
SINCE JUL 1 1631 1658 -27 1316
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 35 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 18.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 PM
LOWEST 68 1:00 AM
AVERAGE 81
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 56 1957
1988
MINIMUM TEMPERATURE (F) 24 -12 1983
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:13 AM CST SUNSET 4:22 PM CST
DECEMBER 19 2025......SUNRISE 7:14 AM CST SUNSET 4:23 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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