817
CDUS43 KLOT 262143
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT TUE AUG 26 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 75 2:20 PM 94 2024 81 -6 94
MINIMUM 48R 5:09 AM 51 1997 60 -12 73
2017
AVERAGE 62 71 -9 84
PRECIPITATION (IN)
TODAY 0.00 1.50 2009 0.12 -0.12 0.00
MONTH TO DATE 2.68 3.21 -0.53 1.56
SINCE JUN 1 12.29 10.48 1.81 11.15
SINCE JAN 1 20.35 22.74 -2.39 23.79
DEGREE DAYS
HEATING
TODAY 3 0 3 0
MONTH TO DATE 7 0 7 6
SINCE JUN 1 25 37 -12 22
SINCE JUL 1 7 4 3 9
COOLING
TODAY 0 6 -6 19
MONTH TO DATE 238 191 47 179
SINCE JUN 1 870 638 232 683
SINCE JAN 1 903 694 209 737
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 37 3:00 PM
AVERAGE 60
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2024
MINIMUM TEMPERATURE (F) 60 47 2015
SUNRISE AND SUNSET
AUGUST 26 2025........SUNRISE 6:13 AM CDT SUNSET 7:36 PM CDT
AUGUST 27 2025........SUNRISE 6:14 AM CDT SUNSET 7:34 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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