220
CDUS43 KLOT 122137
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT WED AUG 12 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 2:58 PM 94 2010 83 -2 86
MINIMUM 69 10:25 AM 48 2004 63 6 71
AVERAGE 75 72 3 79
PRECIPITATION (IN)
TODAY 0.07 0.70 2005 0.13 -0.06 0.17
MONTH TO DATE 3.55 1.52 2.03 0.29
SINCE JUN 1 15.59 8.79 6.80 9.90
SINCE JAN 1 28.47 21.05 7.42 17.96
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 25 37 -12 18
SINCE JUL 1 1 4 -3 0
COOLING
TODAY 10 8 2 14
MONTH TO DATE 101 96 5 124
SINCE JUN 1 562 543 19 756
SINCE JAN 1 621 599 22 789
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 67 2:00 PM
AVERAGE 84
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 91 2010
MINIMUM TEMPERATURE (F) 63 50 2004
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 5:58 AM CDT SUNSET 7:57 PM CDT
AUGUST 13 2026........SUNRISE 5:59 AM CDT SUNSET 7:56 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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