Harman US

Lake Waynoka, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake Waynoka, a community in Brown County, Ohio.

Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 5 mph.

7-day forecast for Lake Waynoka

WhenTempForecastWindPrecip
Today 86°F Sunny 5 mph NE 0%
Tonight 66°F Partly Cloudy 5 mph NE 5%
Wednesday 88°F Mostly Sunny then Chance Showers And Thunderstorms 3 mph N 43%
Wednesday Night 68°F Slight Chance Showers And Thunderstorms 3 mph SW 24%
Thursday 87°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 8 mph SW 37%
Thursday Night 69°F Chance Showers And Thunderstorms 5 mph SW 50%
Friday 85°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 to 8 mph SW 73%
Friday Night 67°F Showers And Thunderstorms Likely 6 mph SW 73%
Saturday 86°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 3 to 8 mph SW 34%
Saturday Night 67°F Chance Showers And Thunderstorms 2 to 6 mph SW 34%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 8 mph SW 15%
Sunday Night 69°F Slight Chance Showers And Thunderstorms then Mostly Clear 6 mph SW 15%
Monday 89°F Mostly Sunny then Chance Showers And Thunderstorms 6 to 10 mph SW 25%
Monday Night 70°F Chance Showers And Thunderstorms 3 to 7 mph SW 28%

Forecast source: National Weather Service (api.weather.gov) for Lake Waynoka (38.940, -83.781). Updated through the day.

Growing snapshot for Lake Waynoka

Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
6b

More local growing data for Lake Waynoka: nearby ZIP 45171 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Ripley Exp Farm, Oh (15.6 mi from Lake Waynoka). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.