Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 012133
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT MON SEP 01 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 1:35 PM 94 2000 80 -2 75
2011
MINIMUM 55 2:40 AM 46 2009 62 -7 58
AVERAGE 67 71 -4 67
PRECIPITATION (IN)
TODAY 0.00 1.14 2018 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.12 -0.12 0.00
SINCE SEP 1 0.00 0.12 -0.12 0.00
SINCE JAN 1 17.77 22.46 -4.69 26.39
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 8 7 1 5
COOLING
TODAY 2 6 -4 2
MONTH TO DATE 2 6 -4 2
SINCE SEP 1 2 6 -4 2
SINCE JAN 1 926 820 106 871
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 39 12:00 PM
AVERAGE 66
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2008
MINIMUM TEMPERATURE (F) 61 49 2017
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:17 AM CDT SUNSET 7:25 PM CDT
SEPTEMBER 2 2025.....SUNRISE 6:18 AM CDT SUNSET 7:23 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$