481
CDUS43 KLOT 020636
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST TUE DEC 02 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 1 2025
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)
YESTERDAY
MAXIMUM 30 1:54 PM 68 1970 41 -11 27
MINIMUM 17 3:35 AM -6 1893 28 -11 14
AVERAGE 24 35 -11 21
PRECIPITATION (IN)
YESTERDAY 0.13 1.23 2006 0.08 0.05 0.00
MONTH TO DATE 0.13 0.08 0.05 0.00
SINCE DEC 1 0.13 0.08 0.05 0.00
SINCE JAN 1 27.85 35.83 -7.98 32.99
SNOWFALL (IN)
YESTERDAY 1.4 7.8 1978 0.2 1.2 0.0
MONTH TO DATE 1.4 0.2 1.2 0.0
SINCE DEC 1 1.4 0.2 1.2 0.0
SINCE JUL 1 11.8 2.2 9.6 2.9
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 41 30 11 44
MONTH TO DATE 41 30 11 44
SINCE DEC 1 41 30 11 44
SINCE JUL 1 1010 1181 -171 811
COOLING
YESTERDAY 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 12 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 7:00 PM
LOWEST 61 12:00 PM
AVERAGE 77
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 71 1982
MINIMUM TEMPERATURE (F) 28 -1 1893
1942
SUNRISE AND SUNSET
DECEMBER 2 2025......SUNRISE 7:01 AM CST SUNSET 4:21 PM CST
DECEMBER 3 2025......SUNRISE 7:02 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page