806
CDUS43 KLOT 272253
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
453 PM CST THU NOV 27 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 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 34 1:36 PM 67 1990 43 -9 44
MINIMUM 28 8:31 AM 2 1887 30 -2 34
AVERAGE 31 36 -5 39
PRECIPITATION (IN)
TODAY T 2.93 1990 0.08 -0.08 0.00
MONTH TO DATE 1.40 2.19 -0.79 3.63
SINCE SEP 1 4.56 8.81 -4.25 6.13
SINCE JAN 1 27.01 35.52 -8.51 32.99
SNOWFALL (IN)
TODAY T 5.8 1891 0.1 -0.1 0.0
MONTH TO DATE 1.7 1.4 0.3 2.9
SINCE SEP 1 1.7 1.6 0.1 2.9
SINCE JUL 1 1.7 1.6 0.1 2.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 34 29 5 26
MONTH TO DATE 558 625 -67 437
SINCE SEP 1 849 1057 -208 646
SINCE JUL 1 854 1063 -209 646
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 223 131 92 226
SINCE JAN 1 1215 1003 212 1212
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 15.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 6:00 AM
LOWEST 47 12:00 PM
AVERAGE 54
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 69 1905
MINIMUM TEMPERATURE (F) 29 0 1872
1887
SUNRISE AND SUNSET
NOVEMBER 27 2025......SUNRISE 6:56 AM CST SUNSET 4:22 PM CST
NOVEMBER 28 2025......SUNRISE 6:57 AM CST SUNSET 4:22 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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