Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 022307
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
507 PM CST TUE DEC 02 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 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 24 12:25 AM 71 1982 41 -17 25
MINIMUM 17 11:46 AM -1 1893 28 -11 14
1942
AVERAGE 21 34 -13 20
PRECIPITATION (IN)
TODAY T 4.47 1982 0.08 -0.08 0.00
MONTH TO DATE 0.13 0.16 -0.03 0.00
SINCE DEC 1 0.13 0.16 -0.03 0.00
SINCE JAN 1 27.85 35.91 -8.06 32.99
SNOWFALL (IN)
TODAY 0.1 5.6 1991 0.2 -0.1 0.0
MONTH TO DATE 1.5 0.4 1.1 0.0
SINCE DEC 1 1.5 0.4 1.1 0.0
SINCE JUL 1 11.9 2.4 9.5 2.9
SNOW DEPTH 7
DEGREE DAYS
HEATING
TODAY 44 30 14 45
MONTH TO DATE 85 60 25 89
SINCE DEC 1 85 60 25 89
SINCE JUL 1 1054 1211 -157 856
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 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 77 12:00 PM
AVERAGE 87
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 71 1970
MINIMUM TEMPERATURE (F) 28 -5 1940
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.
$$