Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 092145
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT THU OCT 09 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 65 2:59 PM 88 2010 66 -1 71
MINIMUM 39 6:23 AM 26 2000 44 -5 44
AVERAGE 52 55 -3 58
PRECIPITATION (IN)
TODAY 0.00 0.30 2009 0.11 -0.11 0.00
MONTH TO DATE 1.79 0.94 0.85 0.12
SINCE SEP 1 2.43 3.94 -1.51 1.54
SINCE JAN 1 22.96 27.31 -4.35 25.86
DEGREE DAYS
HEATING
TODAY 13 10 3 7
MONTH TO DATE 29 80 -51 50
SINCE SEP 1 76 180 -104 83
SINCE JUL 1 87 191 -104 92
COOLING
TODAY 0 1 -1 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 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 3.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 40 2:00 PM
AVERAGE 67
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 84 2010
MINIMUM TEMPERATURE (F) 44 28 2000
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 6:59 AM CDT SUNSET 6:21 PM CDT
OCTOBER 10 2025.......SUNRISE 7:00 AM CDT SUNSET 6:19 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$