Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 122145
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT SUN OCT 12 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 70 2:56 PM 84 2008 64 6 69
MINIMUM 43 4:22 AM 30 2006 43 0 58
AVERAGE 57 54 3 64
PRECIPITATION (IN)
TODAY 0.00 0.54 2001 0.11 -0.11 0.00
MONTH TO DATE 1.80 1.26 0.54 0.12
SINCE SEP 1 2.44 4.26 -1.82 1.54
SINCE JAN 1 22.97 27.63 -4.66 25.86
DEGREE DAYS
HEATING
TODAY 8 12 -4 1
MONTH TO DATE 54 114 -60 58
SINCE SEP 1 101 214 -113 91
SINCE JUL 1 112 225 -113 100
COOLING
TODAY 0 0 0 0
MONTH TO DATE 47 9 38 3
SINCE SEP 1 174 97 77 113
SINCE JAN 1 1082 821 261 911
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 46 3:00 PM
AVERAGE 68
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 78 2008
MINIMUM TEMPERATURE (F) 43 31 2002
2006
2018
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:02 AM CDT SUNSET 6:16 PM CDT
OCTOBER 13 2025.......SUNRISE 7:03 AM CDT SUNSET 6:14 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$