Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 212140
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT MON SEP 21 2026
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 65 1:45 PM 93 2017 74 -9 83
MINIMUM 61 8:55 AM 40 2006 54 7 66
AVERAGE 63 64 -1 75
PRECIPITATION (IN)
TODAY 0.00 0.46 2016 0.11 -0.11 0.14
MONTH TO DATE 2.96 2.14 0.82 1.69
SINCE SEP 1 2.96 2.14 0.82 1.69
SINCE JAN 1 29.52 24.48 5.04 19.46
DEGREE DAYS
HEATING
TODAY 2 4 -2 0
MONTH TO DATE 8 37 -29 34
SINCE SEP 1 8 37 -29 34
SINCE JUL 1 8 44 -36 42
COOLING
TODAY 0 2 -2 10
MONTH TO DATE 151 90 61 87
SINCE SEP 1 151 90 61 87
SINCE JAN 1 943 904 39 1011
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 11.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 70 2:00 PM
AVERAGE 77
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 2017
MINIMUM TEMPERATURE (F) 54 39 1999
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT
SEPTEMBER 22 2026.....SUNRISE 6:39 AM CDT SUNSET 6:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$