Columbus, Ohio weather in August

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

Average high: 83°F
Average low: 65°F
Rainy days: ~11 per month
Total precipitation: 4.1 in
Warmest recorded: 95°F
Coldest recorded: 51°F

Expect August days in Columbus, Ohio to top out around 83°F and cool to about 65°F overnight, with roughly 11 days of measurable rain across the month. In recent years August has ranged from 51°F to 95°F.

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