163
CDUS43 KLOT 142235
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST SUN DEC 14 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 14 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 10 2:30 PM 66 1975 37 -27 39
MINIMUM -2 8:06 AM -9 1901 25 -27 25
AVERAGE 4 31 -27 32
PRECIPITATION (IN)
TODAY 0.00 1.43 2011 0.07 -0.07 0.33
MONTH TO DATE 0.72 1.03 -0.31 0.33
SINCE DEC 1 0.72 1.03 -0.31 0.33
SINCE JAN 1 28.44 36.78 -8.34 33.32
SNOWFALL (IN)
TODAY 0.0 10.0 1951 0.2 -0.2 T
MONTH TO DATE 6.9 3.1 3.8 0.2
SINCE DEC 1 6.9 3.1 3.8 0.2
SINCE JUL 1 17.3 5.1 12.2 3.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 61 34 27 33
MONTH TO DATE 601 451 150 523
SINCE DEC 1 601 451 150 523
SINCE JUL 1 1570 1602 -32 1290
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 NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 2:00 AM
LOWEST 50 2:00 PM
AVERAGE 56
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 66 2021
MINIMUM TEMPERATURE (F) 25 -12 1901
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 7:12 AM CST SUNSET 4:21 PM CST
DECEMBER 15 2025......SUNRISE 7:13 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.
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