700
CDUS43 KLOT 280636
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT TUE OCT 28 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 58 1:41 PM 77 2014 57 1 58
MINIMUM 41 7:58 PM 23 1997 38 3 32
AVERAGE 50 48 2 45
PRECIPITATION (IN)
YESTERDAY 0.00 0.55 1998 0.09 -0.09 0.00
MONTH TO DATE 3.02 2.67 0.35 0.96
SINCE SEP 1 3.66 5.67 -2.01 2.38
SINCE JAN 1 24.19 29.04 -4.85 26.70
DEGREE DAYS
HEATING
YESTERDAY 15 17 -2 20
MONTH TO DATE 224 333 -109 245
SINCE SEP 1 271 433 -162 278
SINCE JUL 1 282 444 -162 287
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 49 9 40 3
SINCE SEP 1 176 97 79 113
SINCE JAN 1 1084 821 263 911
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 9.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 7:00 AM
LOWEST 42 1:00 PM
AVERAGE 66
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 78 1999
MINIMUM TEMPERATURE (F) 38 21 1997
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 7:21 AM CDT SUNSET 5:52 PM CDT
OCTOBER 29 2025.......SUNRISE 7:22 AM CDT SUNSET 5:51 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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