590
CDUS43 KLOT 202149
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
449 PM CDT SAT SEP 20 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 11:04 AM 93 2017 74 5 89
2018
MINIMUM 66 6:00 AM 42 2006 55 11 64
AVERAGE 73 64 9 77
PRECIPITATION (IN)
TODAY 0.11 0.75 2009 0.10 0.01 0.07
MONTH TO DATE 1.51 2.03 -0.52 0.07
SINCE SEP 1 1.51 2.03 -0.52 0.07
SINCE JAN 1 19.28 24.37 -5.09 26.46
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 34 33 1 16
SINCE SEP 1 34 33 1 16
SINCE JUL 1 42 40 2 21
COOLING
TODAY 8 3 5 12
MONTH TO DATE 77 88 -11 103
SINCE SEP 1 77 88 -11 103
SINCE JAN 1 1001 902 99 972
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 58 11:00 AM
AVERAGE 76
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 2017
MINIMUM TEMPERATURE (F) 54 40 2006
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 6:37 AM CDT SUNSET 6:52 PM CDT
SEPTEMBER 21 2025.....SUNRISE 6:38 AM CDT SUNSET 6:50 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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