691
CDUS43 KLOT 042235
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST THU DEC 04 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 18 3:59 PM 65 1998 39 -21 40
MINIMUM 3 8:24 AM 2 2006 25 -22 15
AVERAGE 11 32 -21 28
PRECIPITATION (IN)
TODAY 0.00 0.40 2017 0.06 -0.06 T
MONTH TO DATE 0.07 0.26 -0.19 T
SINCE DEC 1 0.07 0.26 -0.19 T
SINCE JAN 1 25.77 31.82 -6.05 29.83
DEGREE DAYS
HEATING
TODAY 54 33 21 37
MONTH TO DATE 189 130 59 171
SINCE DEC 1 189 130 59 171
SINCE JUL 1 1272 1416 -144 1085
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 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 6:00 AM
LOWEST 35 2:00 PM
AVERAGE 54
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 68 2001
MINIMUM TEMPERATURE (F) 24 0 2005
SUNRISE AND SUNSET
DECEMBER 4 2025......SUNRISE 7:05 AM CST SUNSET 4:22 PM CST
DECEMBER 5 2025......SUNRISE 7:05 AM CST SUNSET 4:22 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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