750
CDUS43 KLOT 230632
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT TUE SEP 23 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 4:08 PM 94 2017 73 8 72
MINIMUM 61 5:45 AM 38 1999 51 10 62
AVERAGE 71 62 9 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.34 2006 0.10 -0.10 0.86
MONTH TO DATE 0.62 2.21 -1.59 0.91
SINCE SEP 1 0.62 2.21 -1.59 0.91
SINCE JAN 1 21.15 25.58 -4.43 25.23
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 47 52 -5 22
SINCE SEP 1 47 52 -5 22
SINCE JUL 1 58 63 -5 31
COOLING
YESTERDAY 6 2 4 2
MONTH TO DATE 87 76 11 96
SINCE SEP 1 87 76 11 96
SINCE JAN 1 995 800 195 894
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 53 4:00 PM
AVERAGE 75
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 2017
MINIMUM TEMPERATURE (F) 51 36 2012
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 6:42 AM CDT SUNSET 6:48 PM CDT
SEPTEMBER 24 2025.....SUNRISE 6:43 AM CDT SUNSET 6:46 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