Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 032136
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED SEP 03 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 70 2:53 PM 91 2023 79 -9 77
MINIMUM 60 5:46 AM 49 2024 58 2 49
AVERAGE 65 69 -4 63
PRECIPITATION (IN)
TODAY 0.01 0.97 2018 0.10 -0.09 0.00
MONTH TO DATE 0.01 0.30 -0.29 0.00
SINCE SEP 1 0.01 0.30 -0.29 0.00
SINCE JAN 1 20.54 23.67 -3.13 24.32
DEGREE DAYS
HEATING
TODAY 0 1 -1 2
MONTH TO DATE 0 3 -3 3
SINCE SEP 1 0 3 -3 3
SINCE JUL 1 11 14 -3 12
COOLING
TODAY 0 5 -5 0
MONTH TO DATE 2 15 -13 2
SINCE SEP 1 2 15 -13 2
SINCE JAN 1 910 739 171 800
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 8.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 68 9:00 AM
AVERAGE 76
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2012
MINIMUM TEMPERATURE (F) 58 49 2000
2020
2024
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:21 AM CDT SUNSET 7:23 PM CDT
SEPTEMBER 4 2025.....SUNRISE 6:22 AM CDT SUNSET 7:21 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$