Cincinnati, Ohio weather in October

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

Average high: 68°F
Average low: 50°F
Rainy days: ~8 per month
Total precipitation: 2.9 in
Warmest recorded: 86°F
Coldest recorded: 30°F

Expect October days in Cincinnati, Ohio to top out around 68°F and cool to about 50°F overnight, with roughly 8 days of measurable rain across the month. In recent years October has ranged from 30°F to 86°F.

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