791
CDUS43 KLOT 202202
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
502 PM CDT SUN SEP 20 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 69 93 2018 74 -5 79
2022
MINIMUM 64 40 2003 52 12 62
2020
AVERAGE 67 63 4 71
PRECIPITATION (IN)
TODAY 1.05R 0.77 2001 0.11 0.94 0.21
MONTH TO DATE 3.62 2.00 1.62 0.58
SINCE SEP 1 3.62 2.00 1.62 0.58
SINCE JAN 1 32.76 25.37 7.39 21.11
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 10 43 -33 47
SINCE SEP 1 10 43 -33 47
SINCE JUL 1 11 54 -43 58
COOLING
TODAY 2 2 0 6
MONTH TO DATE 151 72 79 72
SINCE SEP 1 151 72 79 72
SINCE JAN 1 832 796 36 980
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 93 7:00 AM
AVERAGE 97
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2017
2024
MINIMUM TEMPERATURE (F) 52 40 2006
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:38 AM CDT SUNSET 6:54 PM CDT
SEPTEMBER 21 2026.....SUNRISE 6:39 AM CDT SUNSET 6:52 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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