668
CDUS43 KLOT 282131
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT SUN SEP 28 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 78 2:12 PM 85 2013 71 7 72
MINIMUM 61 6:08 AM 42 2006 51 10 66
AVERAGE 70 61 9 69
PRECIPITATION (IN)
TODAY 0.00 1.86 1999 0.09 -0.09 0.01
MONTH TO DATE 1.70 2.84 -1.14 0.99
SINCE SEP 1 1.70 2.84 -1.14 0.99
SINCE JAN 1 19.47 25.18 -5.71 27.38
DEGREE DAYS
HEATING
TODAY 0 6 -6 0
MONTH TO DATE 34 70 -36 20
SINCE SEP 1 34 70 -36 20
SINCE JUL 1 42 77 -35 25
COOLING
TODAY 5 2 3 4
MONTH TO DATE 125 104 21 127
SINCE SEP 1 125 104 21 127
SINCE JAN 1 1049 918 131 996
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 47 2:00 PM
AVERAGE 69
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 85 2002
MINIMUM TEMPERATURE (F) 51 38 2006
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 6:46 AM CDT SUNSET 6:38 PM CDT
SEPTEMBER 29 2025.....SUNRISE 6:47 AM CDT SUNSET 6:36 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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