Climatological Report (Daily)
Issued by NWS
Issued by NWS
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635
CDUS43 KLOT 042133
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SAT OCT 04 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 89R 1:04 PM 87 2005 68 21 71
MINIMUM 62 6:00 AM 31 2004 46 16 49
AVERAGE 76 57 19 60
PRECIPITATION (IN)
TODAY 0.00 0.98 2001 0.11 -0.11 0.12
MONTH TO DATE 0.00 0.43 -0.43 0.12
SINCE SEP 1 0.64 3.43 -2.79 1.54
SINCE JAN 1 21.17 26.80 -5.63 25.86
DEGREE DAYS
HEATING
TODAY 0 8 -8 5
MONTH TO DATE 0 32 -32 21
SINCE SEP 1 47 132 -85 54
SINCE JUL 1 58 143 -85 63
COOLING
TODAY 11 1 10 0
MONTH TO DATE 31 4 27 0
SINCE SEP 1 158 92 66 110
SINCE JAN 1 1066 816 250 908
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 4:00 AM
LOWEST 31 3:00 PM
AVERAGE 59
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1997
2007
MINIMUM TEMPERATURE (F) 46 27 2004
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:53 AM CDT SUNSET 6:29 PM CDT
OCTOBER 5 2025.......SUNRISE 6:55 AM CDT SUNSET 6:27 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$