360
CDUS43 KLOT 082141
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT TUE SEP 08 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 MM 90 2002 78 6 72
MINIMUM 62 MM 44 2024 57 5 44
2025
AVERAGE 73 67 6 58
PRECIPITATION (IN)
TODAY 0.00 1.22 2008 0.11 -0.11 0.00
MONTH TO DATE T 0.81 -0.81 0.03
SINCE SEP 1 T 0.81 -0.81 0.03
SINCE JAN 1 29.14 24.18 4.96 20.56
DEGREE DAYS
HEATING
TODAY 0 2 -2 7
MONTH TO DATE 0 9 -9 43
SINCE SEP 1 0 9 -9 43
SINCE JUL 1 1 20 -19 54
COOLING
TODAY 8 4 4 0
MONTH TO DATE 104 36 68 2
SINCE SEP 1 104 36 68 2
SINCE JAN 1 785 760 25 910
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1:00 AM
LOWEST 44 3:00 PM
AVERAGE 64
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 2013
MINIMUM TEMPERATURE (F) 56 46 2008
2010
2025
SUNRISE AND SUNSET
SEPTEMBER 8 2026.....SUNRISE 6:26 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 9 2026.....SUNRISE 6:27 AM CDT SUNSET 7:13 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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