789
CDUS43 KLOT 202234
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST SAT DEC 20 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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 39 3:11 PM 50 2015 34 5 34
MINIMUM 22 12:50 AM -9 2000 20 2 18
AVERAGE 31 27 4 26
PRECIPITATION (IN)
TODAY 0.00 0.79 2012 0.05 -0.05 0.02
MONTH TO DATE 0.53 1.15 -0.62 0.32
SINCE DEC 1 0.53 1.15 -0.62 0.32
SINCE JAN 1 26.23 32.71 -6.48 30.15
DEGREE DAYS
HEATING
TODAY 34 38 -4 39
MONTH TO DATE 881 702 179 721
SINCE DEC 1 881 702 179 721
SINCE JUL 1 1964 1988 -24 1635
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 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 14.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 12:00 AM
LOWEST 64 8:00 AM
AVERAGE 73
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 52 2015
MINIMUM TEMPERATURE (F) 20 -8 2000
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 7:17 AM CST SUNSET 4:25 PM CST
DECEMBER 21 2025......SUNRISE 7:17 AM CST SUNSET 4:25 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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