Climatological Report (Daily)
Issued by NWS
Issued by NWS
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863
CDUS43 KLOT 082233
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
533 PM CDT FRI AUG 08 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 90 3:26 PM 92 2001 83 7 81
MINIMUM 71 5:14 AM 52 1997 63 8 57
1999
2017
AVERAGE 81 73 8 69
PRECIPITATION (IN)
TODAY 0.00 1.07 2011 0.12 -0.12 0.00
MONTH TO DATE 0.00 1.04 -1.04 0.74
SINCE JUN 1 9.61 8.31 1.30 10.33
SINCE JAN 1 17.67 20.57 -2.90 22.97
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 18 37 -19 16
SINCE JUL 1 0 4 -4 3
COOLING
TODAY 16 8 8 4
MONTH TO DATE 60 64 -4 81
SINCE JUN 1 692 511 181 585
SINCE JAN 1 725 567 158 639
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 2:00 AM
LOWEST 54 1:00 PM
AVERAGE 74
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 94 2005
MINIMUM TEMPERATURE (F) 63 49 1999
SUNRISE AND SUNSET
AUGUST 8 2025........SUNRISE 5:54 AM CDT SUNSET 8:02 PM CDT
AUGUST 9 2025........SUNRISE 5:55 AM CDT SUNSET 8:01 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$