538
CDUS43 KLOT 092133
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED SEP 09 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 79 2:00 PM 90 2013 78 1 76
MINIMUM 70 MM 46 2008 56 14 46
2010
2025
AVERAGE 75 67 8 61
PRECIPITATION (IN)
TODAY MM 0.51 2001 0.10 MM 0.00
MONTH TO DATE T 0.91 -0.91 0.03
SINCE SEP 1 T 0.91 -0.91 0.03
SINCE JAN 1 29.14 24.28 4.86 20.56
DEGREE DAYS
HEATING
TODAY 0 2 -2 4
MONTH TO DATE 0 11 -11 47
SINCE SEP 1 0 11 -11 47
SINCE JUL 1 1 22 -21 58
COOLING
TODAY 10 4 6 0
MONTH TO DATE 115 40 75 2
SINCE SEP 1 115 40 75 2
SINCE JAN 1 796 764 32 910
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 71 12:00 AM
AVERAGE 84
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2005
2013
MINIMUM TEMPERATURE (F) 56 42 1999
2017
SUNRISE AND SUNSET
SEPTEMBER 9 2026.....SUNRISE 6:27 AM CDT SUNSET 7:13 PM CDT
SEPTEMBER 10 2026.....SUNRISE 6:28 AM CDT SUNSET 7:11 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page