August in Cleveland averages a daily high of 26.9°C with nights around 19.7°C. Expect roughly 9.7 wet days totalling 92.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cleveland is May–September.
Based on CLEVELAND BURKE LAKEFRONT AIRPORT, OH US (3.6km), 1995–2024. 27 years of August data.