Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 310633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN AUG 31 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2025...
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)
YESTERDAY
MAXIMUM 75 3:38 PM 93 2013 80 -5 82
MINIMUM 58 11:17 PM 48 2009 60 -2 66
AVERAGE 67 70 -3 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.78 2001 0.13 -0.13 0.22
MONTH TO DATE 2.86 3.71 -0.85 2.09
SINCE JUN 1 12.47 10.98 1.49 11.68
SINCE JAN 1 20.53 23.24 -2.71 24.32
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 1 9 6
SINCE JUN 1 28 38 -10 22
SINCE JUL 1 10 5 5 9
COOLING
YESTERDAY 2 6 -4 9
MONTH TO DATE 243 215 28 234
SINCE JUN 1 875 662 213 738
SINCE JAN 1 908 718 190 792
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 2.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 53 3:00 PM
AVERAGE 70
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 91 2000
2010
2012
MINIMUM TEMPERATURE (F) 59 43 2009
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:18 AM CDT SUNSET 7:28 PM CDT
SEPTEMBER 1 2025.....SUNRISE 6:19 AM CDT SUNSET 7:26 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$