756
CDUS43 KLOT 292134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON SEP 29 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90R 2:36 PM 85 2014 70 20 76
MINIMUM 53 2:55 AM 35 2018 48 5 62
AVERAGE 72 59 13 69
PRECIPITATION (IN)
TODAY 0.00 0.69 2019 0.09 -0.09 0.00
MONTH TO DATE 0.64 2.90 -2.26 1.42
SINCE SEP 1 0.64 2.90 -2.26 1.42
SINCE JAN 1 21.17 26.27 -5.10 25.74
DEGREE DAYS
HEATING
TODAY 0 7 -7 0
MONTH TO DATE 47 93 -46 33
SINCE SEP 1 47 93 -46 33
SINCE JUL 1 58 104 -46 42
COOLING
TODAY 7 1 6 4
MONTH TO DATE 121 87 34 106
SINCE SEP 1 121 87 34 106
SINCE JAN 1 1029 811 218 904
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 2.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 28 3:00 PM
AVERAGE 62
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 86 2019
MINIMUM TEMPERATURE (F) 48 35 2004
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 6:48 AM CDT SUNSET 6:38 PM CDT
SEPTEMBER 30 2025.....SUNRISE 6:49 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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