Climatological Report (Daily)
Issued by NWS
Issued by NWS
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819
CDUS43 KLOT 280634
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU AUG 28 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2025...
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)
YESTERDAY
MAXIMUM 78 12:50 PM 98 2024 81 -3 98
MINIMUM 51 4:58 AM 50 2015 63 -12 73
AVERAGE 65 72 -7 86
PRECIPITATION (IN)
YESTERDAY 0.00 1.91 2009 0.12 -0.12 0.60
MONTH TO DATE 3.16 3.19 -0.03 1.42
SINCE JUN 1 9.90 10.31 -0.41 11.69
SINCE JAN 1 17.67 21.83 -4.16 25.98
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 2
SINCE JUN 1 24 40 -16 16
SINCE JUL 1 3 3 0 5
COOLING
YESTERDAY 0 7 -7 21
MONTH TO DATE 268 237 31 239
SINCE JUN 1 900 728 172 791
SINCE JAN 1 921 788 133 828
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 AM
LOWEST 37 12:00 PM
AVERAGE 63
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 94 2020
2021
MINIMUM TEMPERATURE (F) 63 54 2015
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:13 AM CDT SUNSET 7:31 PM CDT
AUGUST 29 2025........SUNRISE 6:14 AM CDT SUNSET 7:30 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$