140
CDUS43 KLOT 300634
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU OCT 30 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 29 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 12:24 PM 81 2024 56 2 81
MINIMUM 41 11:17 PM 27 2005 37 4 65
2010
AVERAGE 50 47 3 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.53 2004 0.08 -0.08 0.00
MONTH TO DATE 3.02 2.84 0.18 0.96
SINCE SEP 1 3.66 5.84 -2.18 2.38
SINCE JAN 1 24.19 29.21 -5.02 26.70
DEGREE DAYS
HEATING
YESTERDAY 15 18 -3 0
MONTH TO DATE 255 369 -114 257
SINCE SEP 1 302 469 -167 290
SINCE JUL 1 313 480 -167 299
COOLING
YESTERDAY 0 0 0 8
MONTH TO DATE 49 9 40 11
SINCE SEP 1 176 97 79 121
SINCE JAN 1 1084 821 263 919
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 14.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 11:00 PM
LOWEST 47 11:00 AM
AVERAGE 68
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 79 2024
MINIMUM TEMPERATURE (F) 37 25 2023
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:23 AM CDT SUNSET 5:49 PM CDT
OCTOBER 31 2025.......SUNRISE 7:25 AM CDT SUNSET 5:48 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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