862
CDUS43 KLOT 302135
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT TUE SEP 30 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 81 1:19 PM 87 2019 70 11 78
MINIMUM 60 4:39 AM 37 2003 51 9 61
AVERAGE 71 60 11 70
PRECIPITATION (IN)
TODAY 0.00 0.27 1998 0.10 -0.10 0.00
MONTH TO DATE 1.70 3.04 -1.34 0.99
SINCE SEP 1 1.70 3.04 -1.34 0.99
SINCE JAN 1 19.47 25.38 -5.91 27.38
DEGREE DAYS
HEATING
TODAY 0 6 -6 0
MONTH TO DATE 34 82 -48 20
SINCE SEP 1 34 82 -48 20
SINCE JUL 1 42 89 -47 25
COOLING
TODAY 6 1 5 5
MONTH TO DATE 140 106 34 138
SINCE SEP 1 140 106 34 138
SINCE JAN 1 1064 920 144 1007
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 3.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 42 11:00 AM
AVERAGE 70
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 2019
MINIMUM TEMPERATURE (F) 50 31 2003
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 6:48 AM CDT SUNSET 6:34 PM CDT
OCTOBER 1 2025.......SUNRISE 6:49 AM CDT SUNSET 6:33 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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