746
CDUS43 KLOT 182134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT OCT 18 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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 73 2:17 PM 78 2007 62 11 69
MINIMUM 62 6:19 AM 27 2015 41 21 36
AVERAGE 68 51 17 53
PRECIPITATION (IN)
TODAY 0.25 0.28 2007 0.09 0.16 0.00
MONTH TO DATE 2.10 1.85 0.25 0.13
SINCE SEP 1 2.74 4.85 -2.11 1.55
SINCE JAN 1 23.27 28.22 -4.95 25.87
DEGREE DAYS
HEATING
TODAY 0 14 -14 12
MONTH TO DATE 73 191 -118 148
SINCE SEP 1 120 291 -171 181
SINCE JUL 1 131 302 -171 190
COOLING
TODAY 3 0 3 0
MONTH TO DATE 51 9 42 3
SINCE SEP 1 178 97 81 113
SINCE JAN 1 1086 821 265 911
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 68 12:00 AM
AVERAGE 81
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 75 2000
MINIMUM TEMPERATURE (F) 41 28 1997
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:09 AM CDT SUNSET 6:06 PM CDT
OCTOBER 19 2025.......SUNRISE 7:10 AM CDT SUNSET 6:05 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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