289
CDUS43 KLOT 220730
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
230 AM CDT WED OCT 22 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 56 10:39 AM 81 2024 60 -4 81
MINIMUM 45 6:20 AM 23 2018 40 5 48
AVERAGE 51 50 1 65
PRECIPITATION (IN)
YESTERDAY 0.03 0.38 2006 0.09 -0.06 0.00
MONTH TO DATE 3.02 2.12 0.90 0.13
SINCE SEP 1 3.66 5.12 -1.46 1.55
SINCE JAN 1 24.19 28.49 -4.30 25.87
DEGREE DAYS
HEATING
YESTERDAY 14 15 -1 0
MONTH TO DATE 114 235 -121 162
SINCE SEP 1 161 335 -174 195
SINCE JUL 1 172 346 -174 204
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 29 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 16.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 52 12:00 PM
AVERAGE 71
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 79 2022
MINIMUM TEMPERATURE (F) 40 25 2013
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:14 AM CDT SUNSET 6:00 PM CDT
OCTOBER 23 2025.......SUNRISE 7:15 AM CDT SUNSET 5:59 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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