Climatological Report (Daily)
Issued by NWS
Issued by NWS
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961
CDUS43 KLOT 222134
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON SEP 22 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 83 1:07 PM 96 2017 73 10 74
MINIMUM 63 5:57 AM 39 1999 54 9 64
AVERAGE 73 64 9 69
PRECIPITATION (IN)
TODAY 0.00 1.81 2000 0.10 -0.10 0.64
MONTH TO DATE 1.69 2.24 -0.55 0.71
SINCE SEP 1 1.69 2.24 -0.55 0.71
SINCE JAN 1 19.46 24.58 -5.12 27.10
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 34 41 -7 16
SINCE SEP 1 34 41 -7 16
SINCE JUL 1 42 48 -6 21
COOLING
TODAY 8 2 6 4
MONTH TO DATE 95 92 3 116
SINCE SEP 1 95 92 3 116
SINCE JAN 1 1019 906 113 985
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 49 2:00 PM
AVERAGE 71
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 2017
MINIMUM TEMPERATURE (F) 53 39 2012
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:39 AM CDT SUNSET 6:48 PM CDT
SEPTEMBER 23 2025.....SUNRISE 6:40 AM CDT SUNSET 6:47 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$