014
CDUS43 KLOT 212139
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT TUE JUL 21 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 21 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 84 2:56 PM 97 2011 84 0 84
MINIMUM 72 6:01 AM 52 2007 64 8 61
AVERAGE 78 74 4 73
PRECIPITATION (IN)
TODAY 0.02 1.83 2001 0.12 -0.10 0.00
MONTH TO DATE 3.99 2.40 1.59 4.64
SINCE JUN 1 10.62 6.05 4.57 7.29
SINCE JAN 1 23.50 18.31 5.19 15.35
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 24 33 -9 18
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 9 4 8
MONTH TO DATE 249 185 64 227
SINCE JUN 1 403 360 43 494
SINCE JAN 1 462 416 46 527
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 11.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 46 3:00 PM
AVERAGE 71
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 94 2001
MINIMUM TEMPERATURE (F) 64 53 2000
2007
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:36 AM CDT SUNSET 8:22 PM CDT
JULY 22 2026..........SUNRISE 5:37 AM CDT SUNSET 8:21 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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