August weather forecast and climate
Ohio, USA

Flag of Ohio, USA
Flag of Ohio, USA

Weather in August

August is hot and humid in Ohio, with the day temperatures between 80°F (26.7°C) to 89°F (31.7°C). Nights are relatively mild by the end of the summer in the 59°F (15°C) to 66°F (18.9°C) range.
The relative humidity is at a high level, which makes it an ideal time to wear t-shirts, sweatshirts, and shorts. The 3" (76mm) to 4" (102mm) of rainfall provides a lifeline to the crops that grow in the season. August sees 20 to 22 sunny days, but thunderstorms and occasionally, even tornadoes, are active in late summer. The open prairie is prone to sizzling hot conditions during the day that change to mild night weather.
Lake Erie is a popular destination for summer vacations, and people visit the shores all the way from the south of the state. It is prudent to utilize morning or evening hours for boating in the lake. Keep an eye on the weather, as a tornado may occasionally invade Ohio in August.
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