085
CDUS43 KLOT 302238
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST TUE DEC 30 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 30 2025
VALID TODAY AS OF 0400 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 22 4:00 PM 61 1884 33 -11 42
MINIMUM 10 MM -7 1909 21 -11 32
AVERAGE 16 27 -11 37
PRECIPITATION (IN)
TODAY T 1.69 1972 0.06 -0.06 0.00
MONTH TO DATE 1.95 2.04 -0.09 1.36
SINCE DEC 1 1.95 2.04 -0.09 1.36
SINCE JAN 1 29.67 37.79 -8.12 34.35
SNOWFALL (IN)
TODAY T 5.1 1927 0.3 -0.3 0.0
MONTH TO DATE 7.9 7.3 0.6 2.4
SINCE DEC 1 7.9 7.3 0.6 2.4
SINCE JUL 1 18.3 9.3 9.0 5.3
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 49 38 11 28
MONTH TO DATE 1135 1031 104 986
SINCE DEC 1 1135 1031 104 986
SINCE JUL 1 2104 2182 -78 1753
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1215 1003 212 1212
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 4:00 PM
LOWEST 53 12:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 68 1875
MINIMUM TEMPERATURE (F) 21 -10 1967
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:19 AM CST SUNSET 4:29 PM CST
DECEMBER 31 2025......SUNRISE 7:19 AM CST SUNSET 4:30 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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