338
CDUS43 KLOT 172134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU JUL 17 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 17 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 74 11:14 AM 97 2012 84 -10 80
MINIMUM 67 2:59 PM 52 2014 64 3 60
AVERAGE 71 74 -3 70
PRECIPITATION (IN)
TODAY 0.00 0.90 2003 0.11 -0.11 0.00
MONTH TO DATE 4.30 1.92 2.38 4.11
SINCE JUN 1 6.95 5.57 1.38 9.14
SINCE JAN 1 15.01 17.83 -2.82 21.78
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE JUN 1 18 33 -15 16
SINCE JUL 1 0 0 0 3
COOLING
TODAY 6 9 -3 5
MONTH TO DATE 203 149 54 158
SINCE JUN 1 470 324 146 400
SINCE JAN 1 503 380 123 454
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 7.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 AM
LOWEST 73 12:00 PM
AVERAGE 80
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 2012
MINIMUM TEMPERATURE (F) 64 55 2004
2017
2018
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:33 AM CDT SUNSET 8:25 PM CDT
JULY 18 2025..........SUNRISE 5:34 AM CDT SUNSET 8:24 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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