243
CDUS43 KLOT 090648
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT WED SEP 09 2026
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2026...
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)
YESTERDAY
MAXIMUM 85 3:34 PM 92 2002 78 7 73
MINIMUM 61 6:01 AM 46 2024 59 2 46
2025
AVERAGE 73 69 4 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 2020 0.11 -0.11 0.00
MONTH TO DATE 0.26 0.88 -0.62 0.11
SINCE SEP 1 0.26 0.88 -0.62 0.11
SINCE JAN 1 26.82 23.22 3.60 17.88
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 5
MONTH TO DATE 0 7 -7 32
SINCE SEP 1 0 7 -7 32
SINCE JUL 1 0 14 -14 40
COOLING
YESTERDAY 8 5 3 0
MONTH TO DATE 102 44 58 5
SINCE SEP 1 102 44 58 5
SINCE JAN 1 894 858 36 929
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 40 4:00 PM
AVERAGE 69
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THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 2013
MINIMUM TEMPERATURE (F) 59 47 2008
SUNRISE AND SUNSET
SEPTEMBER 9 2026.....SUNRISE 6:25 AM CDT SUNSET 7:11 PM CDT
SEPTEMBER 10 2026.....SUNRISE 6:26 AM CDT SUNSET 7:10 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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