783
CDUS43 KLOT 272235
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST SAT DEC 27 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 27 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 3:59 PM 61 1982 34 8 52
2008
MINIMUM 38 9:02 AM -10 1886 22 16 45
1950
AVERAGE 40 28 12 49
PRECIPITATION (IN)
TODAY 0.00 1.74 2008 0.06 -0.06 0.26
MONTH TO DATE 0.93 1.85 -0.92 0.89
SINCE DEC 1 0.93 1.85 -0.92 0.89
SINCE JAN 1 28.65 37.60 -8.95 33.88
SNOWFALL (IN)
TODAY 0.0 10.1 1894 0.3 -0.3 0.0
MONTH TO DATE 7.0 6.4 0.6 2.4
SINCE DEC 1 7.0 6.4 0.6 2.4
SINCE JUL 1 17.4 8.4 9.0 5.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 25 37 -12 16
MONTH TO DATE 1015 918 97 916
SINCE DEC 1 1015 918 97 916
SINCE JUL 1 1984 2069 -85 1683
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 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 6:00 AM
LOWEST 82 12:00 AM
AVERAGE 86
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 69 1984
MINIMUM TEMPERATURE (F) 22 -13 1924
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:19 AM CST SUNSET 4:27 PM CST
DECEMBER 28 2025......SUNRISE 7:19 AM CST SUNSET 4:28 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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