434
CDUS43 KLOT 312146
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
446 PM CDT FRI JUL 31 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 31 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 78 9:28 AM 98 2006 84 -6 77
MINIMUM 65 4:56 AM 50 1997 63 2 60
AVERAGE 72 73 -1 69
PRECIPITATION (IN)
TODAY 0.06 1.05 2000 0.12 -0.06 T
MONTH TO DATE 5.39 3.62 1.77 6.96
SINCE JUN 1 12.02 7.27 4.75 9.61
SINCE JAN 1 24.90 19.53 5.37 17.67
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 25 33 -8 18
SINCE JUL 1 1 0 1 0
COOLING
TODAY 7 8 -1 4
MONTH TO DATE 307 272 35 365
SINCE JUN 1 461 447 14 632
SINCE JAN 1 520 503 17 665
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 6.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 67 9:00 AM
AVERAGE 80
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 2006
MINIMUM TEMPERATURE (F) 63 51 1998
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 5:46 AM CDT SUNSET 8:12 PM CDT
AUGUST 1 2026........SUNRISE 5:47 AM CDT SUNSET 8:11 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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