075
CDUS43 KLOT 282234
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST SUN DEC 28 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 28 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 56 3:14 PM 69 1984 34 22 51
MINIMUM 43 12:05 AM -13 1924 22 21 42
AVERAGE 50 28 22 47
PRECIPITATION (IN)
TODAY 0.97 1.47 2015 0.07 0.90 T
MONTH TO DATE 1.91 1.92 -0.01 0.89
SINCE DEC 1 1.91 1.92 -0.01 0.89
SINCE JAN 1 29.63 37.67 -8.04 33.88
SNOWFALL (IN)
TODAY 0.0 8.0 1987 0.3 -0.3 0.0
MONTH TO DATE 7.0 6.7 0.3 2.4
SINCE DEC 1 7.0 6.7 0.3 2.4
SINCE JUL 1 17.4 8.7 8.7 5.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 15 37 -22 18
MONTH TO DATE 1029 955 74 934
SINCE DEC 1 1029 955 74 934
SINCE JUL 1 1998 2106 -108 1701
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 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 96 12:00 AM
AVERAGE 98
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 63 1984
MINIMUM TEMPERATURE (F) 21 -15 1880
SUNRISE AND SUNSET
DECEMBER 28 2025......SUNRISE 7:19 AM CST SUNSET 4:28 PM CST
DECEMBER 29 2025......SUNRISE 7:19 AM CST SUNSET 4:29 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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