Cleveland, Ohio weather in August

Averages from 2021–2025 (155 days of record).

Average high: 77°F
Average low: 67°F
Rainy days: ~12 per month
Total precipitation: 3.8 in
Warmest recorded: 91°F
Coldest recorded: 58°F

Expect August days in Cleveland, Ohio to top out around 77°F and cool to about 67°F overnight, with roughly 12 days of measurable rain across the month. In recent years August has ranged from 58°F to 91°F.

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Current Cleveland, Ohio forecast → · Historical data by Open-Meteo (ERA5).