Climatological Report (Daily)
Issued by NWS
Issued by NWS
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839
CDUS43 KLOT 212234
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST FRI NOV 21 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 21 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 48 1:29 PM 60 2010 45 3 39
MINIMUM 37 7:35 AM 6 2014 29 8 29
AVERAGE 43 37 6 34
PRECIPITATION (IN)
TODAY 0.00 0.53 2019 0.07 -0.07 0.08
MONTH TO DATE 0.80 1.57 -0.77 3.07
SINCE SEP 1 4.51 7.56 -3.05 5.51
SINCE JAN 1 25.04 30.93 -5.89 29.83
DEGREE DAYS
HEATING
TODAY 22 28 -6 31
MONTH TO DATE 449 499 -50 331
SINCE SEP 1 787 1006 -219 629
SINCE JUL 1 798 1017 -219 638
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 176 99 77 129
SINCE JAN 1 1084 823 261 927
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 3.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 68 1:00 PM
AVERAGE 84
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 66 2010
MINIMUM TEMPERATURE (F) 29 4 2015
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 6:50 AM CST SUNSET 4:27 PM CST
NOVEMBER 22 2025......SUNRISE 6:51 AM CST SUNSET 4:27 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$