Climatological Report (Daily)
Issued by NWS
Issued by NWS
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022
CDUS43 KLOT 150636
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED OCT 15 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 2025...
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)
YESTERDAY
MAXIMUM 71 2:21 PM 78 2020 63 8 58
MINIMUM 49 5:37 AM 28 2002 43 6 40
AVERAGE 60 53 7 49
PRECIPITATION (IN)
YESTERDAY 0.00 3.90 2017 0.10 -0.10 T
MONTH TO DATE 1.80 1.46 0.34 0.12
SINCE SEP 1 2.44 4.46 -2.02 1.54
SINCE JAN 1 22.97 27.83 -4.86 25.86
DEGREE DAYS
HEATING
YESTERDAY 5 12 -7 16
MONTH TO DATE 64 138 -74 81
SINCE SEP 1 111 238 -127 114
SINCE JUL 1 122 249 -127 123
COOLING
YESTERDAY 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 14 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 55 2:00 PM
AVERAGE 76
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 79 1999
MINIMUM TEMPERATURE (F) 42 27 1997
2006
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 7:06 AM CDT SUNSET 6:11 PM CDT
OCTOBER 16 2025.......SUNRISE 7:07 AM CDT SUNSET 6:09 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$