Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 062242
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CST SAT DEC 06 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 6 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 32 3:59 PM 65 1951 39 -7 32
1980
MINIMUM 26 6:54 AM 0 1885 27 -1 15
1972
2007
AVERAGE 29 33 -4 24
PRECIPITATION (IN)
TODAY 0.00 1.12 1998 0.07 -0.07 0.00
MONTH TO DATE 0.16 0.46 -0.30 T
SINCE DEC 1 0.16 0.46 -0.30 T
SINCE JAN 1 27.88 36.21 -8.33 32.99
SNOWFALL (IN)
TODAY 0.0 5.6 1950 0.2 -0.2 0.0
MONTH TO DATE 1.9 1.3 0.6 0.2
SINCE DEC 1 1.9 1.3 0.6 0.2
SINCE JUL 1 12.3 3.3 9.0 3.1
SNOW DEPTH 4
DEGREE DAYS
HEATING
TODAY 36 32 4 41
MONTH TO DATE 259 186 73 251
SINCE DEC 1 259 186 73 251
SINCE JUL 1 1228 1337 -109 1018
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 9 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 3:00 AM
LOWEST 66 2:00 PM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 64 1916
MINIMUM TEMPERATURE (F) 27 -6 1882
SUNRISE AND SUNSET
DECEMBER 6 2025......SUNRISE 7:05 AM CST SUNSET 4:20 PM CST
DECEMBER 7 2025......SUNRISE 7:06 AM CST SUNSET 4:20 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$