924
CDUS43 KLOT 032135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU SEP 03 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 90 MM 91 2023 79 11 70
MINIMUM 74 MM 49 2024 58 16 55
AVERAGE 82 69 13 63
PRECIPITATION (IN)
TODAY 0.00 0.97 2018 0.10 -0.10 0.03
MONTH TO DATE T 0.30 -0.30 0.03
SINCE SEP 1 T 0.30 -0.30 0.03
SINCE JAN 1 29.14 23.67 5.47 20.56
DEGREE DAYS
HEATING
TODAY 0 1 -1 2
MONTH TO DATE 0 3 -3 2
SINCE SEP 1 0 3 -3 2
SINCE JUL 1 1 14 -13 13
COOLING
TODAY 17 5 12 0
MONTH TO DATE 54 15 39 2
SINCE SEP 1 54 15 39 2
SINCE JAN 1 735 739 -4 910
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 59 3:00 PM
AVERAGE 77
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2012
MINIMUM TEMPERATURE (F) 58 44 2025
SUNRISE AND SUNSET
SEPTEMBER 3 2026.....SUNRISE 6:21 AM CDT SUNSET 7:23 PM CDT
SEPTEMBER 4 2026.....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.
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