Climatological Report (Daily)
Issued by NWS
Issued by NWS
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815
CDUS43 KLOT 270652
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1252 AM CST THU NOV 27 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 26 2025...
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)
YESTERDAY
MAXIMUM 41 12:04 AM 67 1990 43 -2 39
MINIMUM 31 11:59 PM 2 1898 30 1 25
AVERAGE 36 37 -1 32
PRECIPITATION (IN)
YESTERDAY T 1.63 1988 0.07 -0.07 0.00
MONTH TO DATE 1.40 2.11 -0.71 3.63
SINCE SEP 1 4.56 8.73 -4.17 6.13
SINCE JAN 1 27.01 35.44 -8.43 32.99
SNOWFALL (IN)
YESTERDAY T 7.5 1975 0.1 -0.1 0.0
MONTH TO DATE 1.7 1.3 0.4 2.9
SINCE SEP 1 1.7 1.5 0.2 2.9
SINCE JUL 1 1.7 1.5 0.2 2.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 28 1 33
MONTH TO DATE 524 596 -72 411
SINCE SEP 1 815 1028 -213 620
SINCE JUL 1 820 1034 -214 620
COOLING
YESTERDAY 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 36 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 21.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 8:00 AM
LOWEST 56 6:00 PM
AVERAGE 69
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 67 1990
MINIMUM TEMPERATURE (F) 30 2 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.
$$