Cincinnati weather in October
October in Cincinnati: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Cincinnati · #316 of 897 destinations to visit in October · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cincinnati in October
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Cincinnati climate normals — October
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Rainfall | 86 mm / 3.4 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 11.2 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cincinnati in October — FAQ
- Is October a good time to visit Cincinnati?
- October in Cincinnati: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Cincinnati on SeasonMap's comfort score (83/100).
- What is the weather like in Cincinnati in October?
- In October, Cincinnati averages a daily high of 19.7°C and a low of 10.3°C, with about 85.8 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Cincinnati in October?
- Cincinnati has a mean US Air Quality Index of about 35 in October.