Summer temperatures · Ohio
How hot does Cincinnati get in summer?
In a typical summer, June to August, Cincinnati averages highs around 85°F and lows around 64°F.
About 22 days a year reach 90°F or hotter, and a day at 100°F comes along less than once a year. About 105 days a year get to 80°F or warmer. That makes it the 62nd hottest summer of the 129 US cities we track.
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The hottest high in the forecast for the next 48 hours is about 47°F.
Cincinnati’s summer highs average about 85°F, warm enough that the chili is only the second-hottest thing in town on a July afternoon.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 85°F |
|---|---|
| Average summer low | 64°F |
| Days a year at 80°F or warmer | 105 |
| Days a year at 90°F or hotter | 22 |
| Days a year at 100°F or hotter | fewer than one |
| Average winter high, for comparison | 42°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Dayton, Ohio: highs around 84°F, lows around 64°F
- Indianapolis, Indiana: highs around 84°F, lows around 65°F
- Sacramento, California: highs around 91°F, lows around 58°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00093814.