409
CDUS43 KLOT 190633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT SEP 19 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 88 2007 75 -4 88
2025
MINIMUM 59 41 2012 53 6 56
AVERAGE 65 64 1 72
PRECIPITATION (IN)
YESTERDAY T 1.90 2015 0.10 -0.10 0.00
MONTH TO DATE 1.73 1.79 -0.06 0.34
SINCE SEP 1 1.73 1.79 -0.06 0.34
SINCE JAN 1 30.87 25.16 5.71 20.87
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 10 35 -25 47
SINCE SEP 1 10 35 -25 47
SINCE JUL 1 11 46 -35 58
COOLING
YESTERDAY 0 2 -2 7
MONTH TO DATE 147 68 79 56
SINCE SEP 1 147 68 79 56
SINCE JAN 1 828 792 36 964
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 61 12:00 PM
AVERAGE 79
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 2021
MINIMUM TEMPERATURE (F) 52 37 2020
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 6:37 AM CDT SUNSET 6:55 PM CDT
SEPTEMBER 20 2026.....SUNRISE 6:38 AM CDT SUNSET 6:54 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