723
CDUS43 KLOT 182235
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST THU DEC 18 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 50 12:56 PM 54 2002 35 15 35
MINIMUM 36 12:27 AM -14 2016 21 15 25
AVERAGE 43 28 15 30
PRECIPITATION (IN)
TODAY 0.14 0.56 2002 0.05 0.09 T
MONTH TO DATE 0.53 1.05 -0.52 0.27
SINCE DEC 1 0.53 1.05 -0.52 0.27
SINCE JAN 1 26.23 32.61 -6.38 30.10
DEGREE DAYS
HEATING
TODAY 22 37 -15 35
MONTH TO DATE 787 626 161 646
SINCE DEC 1 787 626 161 646
SINCE JUL 1 1870 1912 -42 1560
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1084 823 261 927
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 18.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 79 2:00 AM
AVERAGE 90
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 53 2002
MINIMUM TEMPERATURE (F) 21 -15 2016
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST
DECEMBER 19 2025......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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