429
CDUS43 KLOT 072135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT MON SEP 07 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 80 MM 90 2016 78 2 69
2021
MINIMUM 58 MM 42 2025 57 1 42
AVERAGE 69 68 1 56
PRECIPITATION (IN)
TODAY 0.00 1.27 1998 0.10 -0.10 0.00
MONTH TO DATE T 0.70 -0.70 0.03
SINCE SEP 1 T 0.70 -0.70 0.03
SINCE JAN 1 29.14 24.07 5.07 20.56
DEGREE DAYS
HEATING
TODAY 0 1 -1 9
MONTH TO DATE 0 7 -7 36
SINCE SEP 1 0 7 -7 36
SINCE JUL 1 1 18 -17 47
COOLING
TODAY 4 4 0 0
MONTH TO DATE 95 32 63 2
SINCE SEP 1 95 32 63 2
SINCE JAN 1 776 756 20 910
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 44 1:00 PM
AVERAGE 70
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 2002
MINIMUM TEMPERATURE (F) 57 44 2024
2025
SUNRISE AND SUNSET
SEPTEMBER 7 2026.....SUNRISE 6:25 AM CDT SUNSET 7:16 PM CDT
SEPTEMBER 8 2026.....SUNRISE 6:26 AM CDT SUNSET 7:14 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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