Weather By Day

August Chicago Weather 
August Chicago Weather
Record High: 101°F
Normal High: 81°F
Normal Low: 62°F
Record Low: 41°F
Avg Monthly Rain: 4.62"
Rec 1 Day Rain: 6.49"

Chicago Weather In August

Chicago Weather In August is a lot like July, although it tends to be rainier. There is a slight drop in temperature from the beginning of the month until the end; this will become more extreme in the coming months.

You can figure on seeing rain in Chicago in August, but not all the time. The temperatures are usually pleasant although they can be hot, especially when combined with high humidity.