670
CDUS43 KLOT 030633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT OCT 03 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 65 85 2025 69 -4 85
MINIMUM 48 27 2003 47 1 56
AVERAGE 57 58 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 2019 0.11 -0.11 0.00
MONTH TO DATE 1.39 0.22 1.17 0.00
SINCE SEP 1 6.13 3.22 2.91 0.64
SINCE JAN 1 35.27 26.59 8.68 21.17
DEGREE DAYS
HEATING
YESTERDAY 8 8 0 0
MONTH TO DATE 8 16 -8 0
SINCE SEP 1 61 116 -55 47
SINCE JUL 1 62 127 -65 58
COOLING
YESTERDAY 0 1 -1 6
MONTH TO DATE 0 2 -2 11
SINCE SEP 1 149 90 59 138
SINCE JAN 1 830 814 16 1046
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 45 1:00 PM
AVERAGE 71
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 2025
MINIMUM TEMPERATURE (F) 47 31 2004
SUNRISE AND SUNSET
OCTOBER 3 2026.......SUNRISE 6:52 AM CDT SUNSET 6:31 PM CDT
OCTOBER 4 2026.......SUNRISE 6:53 AM CDT SUNSET 6:29 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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