314
CDUS43 KLOT 152134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT AUG 15 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 15 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 77 2:59 PM 91 2025 82 -5 91
MINIMUM 70 4:27 AM 44 2004 62 8 64
AVERAGE 74 72 2 78
PRECIPITATION (IN)
TODAY 0.16 0.66 2018 0.13 0.03 0.00
MONTH TO DATE 4.15 1.90 2.25 0.29
SINCE JUN 1 16.19 9.17 7.02 9.90
SINCE JAN 1 29.07 21.43 7.64 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 9 7 2 13
MONTH TO DATE 127 119 8 158
SINCE JUN 1 588 566 22 790
SINCE JAN 1 647 622 25 823
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 8:00 AM
LOWEST 84 12:00 AM
AVERAGE 92
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 95 2025
MINIMUM TEMPERATURE (F) 62 49 2004
SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE 6:01 AM CDT SUNSET 7:53 PM CDT
AUGUST 16 2026........SUNRISE 6:02 AM CDT SUNSET 7:52 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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