Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 272133
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED AUG 27 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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 76 12:26 PM 97 2024 81 -5 97
MINIMUM 51 5:28 AM 47 2015 60 -9 73
AVERAGE 64 70 -6 85
PRECIPITATION (IN)
TODAY 0.00 0.80 2016 0.13 -0.13 0.15
MONTH TO DATE 2.68 3.34 -0.66 1.71
SINCE JUN 1 12.29 10.61 1.68 11.30
SINCE JAN 1 20.35 22.87 -2.52 23.94
DEGREE DAYS
HEATING
TODAY 1 0 1 0
MONTH TO DATE 8 0 8 6
SINCE JUN 1 26 37 -11 22
SINCE JUL 1 8 4 4 9
COOLING
TODAY 0 6 -6 20
MONTH TO DATE 238 197 41 199
SINCE JUN 1 870 644 226 703
SINCE JAN 1 903 700 203 757
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 45 1:00 PM
AVERAGE 69
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 93 2021
MINIMUM TEMPERATURE (F) 60 52 2023
SUNRISE AND SUNSET
AUGUST 27 2025........SUNRISE 6:14 AM CDT SUNSET 7:34 PM CDT
AUGUST 28 2025........SUNRISE 6:15 AM CDT SUNSET 7:33 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$