Typical Weather in Bloomington, IL in August

85° F Avg High

62° F Avg Low

6 Rainy Days

☀️ Temperature Summary

August is a popular time to visit, with an inviting climate featuring warm temperatures. August is one of the warmer months of the year for Bloomington, with highs averaging around 85°F. Overnight lows will be around 62°F on average.

August is a great time to visit Bloomington, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

In August you can expect close to a 20% chance of rain for any given day. It rains less than usual in August, with total rainfall for the month typically near 4 inches.