542
CDUS43 KLOT 012152
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
452 PM CDT TUE SEP 01 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 93R 3:00 PM 92 2000 80 13 79
2008
2011
MINIMUM 73 MM 44 2009 59 14 52
AVERAGE 83 69 14 66
PRECIPITATION (IN)
TODAY T 0.86 2013 0.10 -0.10 0.00
MONTH TO DATE T 0.10 -0.10 0.00
SINCE SEP 1 T 0.10 -0.10 0.00
SINCE JAN 1 29.14 23.47 5.67 20.53
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 1 12 -11 11
COOLING
TODAY 18 5 13 1
MONTH TO DATE 18 5 13 1
SINCE SEP 1 18 5 13 1
SINCE JAN 1 699 729 -30 909
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 5:00 AM
LOWEST 58 2:00 PM
AVERAGE 76
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2008
MINIMUM TEMPERATURE (F) 59 43 2017
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:19 AM CDT SUNSET 7:26 PM CDT
SEPTEMBER 2 2026.....SUNRISE 6:20 AM CDT SUNSET 7:25 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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