675
CDUS43 KLOT 172211
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
511 PM CDT THU SEP 17 2026
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 76 2:10 PM 92 2018 75 1 83
MINIMUM 65 5:46 AM 45 1999 56 9 58
2014
AVERAGE 71 66 5 71
PRECIPITATION (IN)
TODAY 0.39 1.45 2023 0.09 0.30 0.00
MONTH TO DATE 0.95 1.73 -0.78 1.40
SINCE SEP 1 0.95 1.73 -0.78 1.40
SINCE JAN 1 27.51 24.07 3.44 19.17
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 6 24 -18 34
SINCE SEP 1 6 24 -18 34
SINCE JUL 1 6 31 -25 42
COOLING
TODAY 6 3 3 6
MONTH TO DATE 147 79 68 52
SINCE SEP 1 147 79 68 52
SINCE JAN 1 939 893 46 976
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 2.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 85 2:00 PM
AVERAGE 93
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 2007
MINIMUM TEMPERATURE (F) 55 42 2012
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT
SEPTEMBER 18 2026.....SUNRISE 6:35 AM CDT SUNSET 6:56 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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