466
CDUS43 KLOT 252238
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST THU DEC 25 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 25 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 42 1:57 PM 64 1982 34 8 39
MINIMUM 36 5:15 AM -17 1983 22 14 32
AVERAGE 39 28 11 36
PRECIPITATION (IN)
TODAY 0.00 0.50 1909 0.06 -0.06 T
1950
MONTH TO DATE 0.91 1.73 -0.82 0.58
SINCE DEC 1 0.91 1.73 -0.82 0.58
SINCE JAN 1 28.63 37.48 -8.85 33.57
SNOWFALL (IN)
TODAY 0.0 5.1 1950 0.3 -0.3 0.0
MONTH TO DATE 7.0 5.9 1.1 2.4
SINCE DEC 1 7.0 5.9 1.1 2.4
SINCE JUL 1 17.4 7.9 9.5 5.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 26 37 -11 29
MONTH TO DATE 969 844 125 878
SINCE DEC 1 969 844 125 878
SINCE JUL 1 1938 1995 -57 1645
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 20 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 70 1:00 PM
AVERAGE 80
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 61 2019
MINIMUM TEMPERATURE (F) 22 -11 1983
SUNRISE AND SUNSET
DECEMBER 25 2025......SUNRISE 7:18 AM CST SUNSET 4:26 PM CST
DECEMBER 26 2025......SUNRISE 7:18 AM CST SUNSET 4:26 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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