363
CDUS43 KLOT 032235
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST WED DEC 03 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 3 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 30 3:46 PM 71 1970 41 -11 31
MINIMUM 21 12:02 AM -5 1940 28 -7 19
AVERAGE 26 34 -8 25
PRECIPITATION (IN)
TODAY 0.02 1.12 1873 0.07 -0.05 0.00
MONTH TO DATE 0.15 0.23 -0.08 0.00
SINCE DEC 1 0.15 0.23 -0.08 0.00
SINCE JAN 1 27.87 35.98 -8.11 32.99
SNOWFALL (IN)
TODAY T 4.0 1893 0.2 -0.2 0.0
MONTH TO DATE 1.5 0.6 0.9 0.0
SINCE DEC 1 1.5 0.6 0.9 0.0
SINCE JUL 1 11.9 2.6 9.3 2.9
SNOW DEPTH 6
DEGREE DAYS
HEATING
TODAY 39 31 8 40
MONTH TO DATE 124 91 33 129
SINCE DEC 1 124 91 33 129
SINCE JUL 1 1093 1242 -149 896
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 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 4:00 PM
LOWEST 77 9:00 AM
AVERAGE 85
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 66 1998
MINIMUM TEMPERATURE (F) 27 0 1893
SUNRISE AND SUNSET
DECEMBER 3 2025......SUNRISE 7:02 AM CST SUNSET 4:21 PM CST
DECEMBER 4 2025......SUNRISE 7:03 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.
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