524
CDUS43 KLOT 192137
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT TUE AUG 19 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 79 2:59 PM 89 2021 82 -3 78
MINIMUM 72 2:18 AM 51 1997 62 10 59
AVERAGE 76 72 4 69
PRECIPITATION (IN)
TODAY 0.08 0.35 2009 0.12 -0.04 0.00
MONTH TO DATE 2.68 2.40 0.28 1.56
SINCE JUN 1 12.29 9.67 2.62 11.15
SINCE JAN 1 20.35 21.93 -1.58 23.79
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 18 37 -19 18
SINCE JUL 1 0 4 -4 5
COOLING
TODAY 11 7 4 4
MONTH TO DATE 215 147 68 135
SINCE JUN 1 847 594 253 639
SINCE JAN 1 880 650 230 693
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 4:00 AM
LOWEST 71 2:00 PM
AVERAGE 83
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 93 2023
MINIMUM TEMPERATURE (F) 62 51 2002
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:06 AM CDT SUNSET 7:47 PM CDT
AUGUST 20 2025........SUNRISE 6:07 AM CDT SUNSET 7:45 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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