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Plymouth, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a village in Huron County, Ohio.

This Afternoon
74°F
Sunny
Sunny, with a high near 74. Northeast wind around 10 mph.

7-day forecast for Plymouth

WhenTempForecastWindPrecip
This Afternoon 74°F Sunny 10 mph NE 0%
Tonight 56°F Partly Cloudy 2 to 9 mph NE 1%
Saturday 78°F Chance Rain Showers 5 mph SE 44%
Saturday Night 65°F Showers And Thunderstorms 5 to 8 mph S 75%
Sunday 76°F Showers And Thunderstorms 7 to 12 mph NW 91%
Sunday Night 57°F Rain Showers Likely 12 mph NE 62%
Monday 67°F Chance Rain Showers 10 to 15 mph NE 40%
Monday Night 53°F Chance Rain Showers 10 to 15 mph NE 41%
Tuesday 68°F Chance Rain Showers 14 mph NE 41%
Tuesday Night 55°F Rain Showers Likely 14 mph NE 56%
Wednesday 67°F Rain Showers Likely 14 mph E 56%
Wednesday Night 54°F Chance Rain Showers 8 to 12 mph E 54%
Thursday 69°F Chance Rain Showers 9 mph NE 28%
Thursday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph N 20%

Forecast source: National Weather Service (api.weather.gov) for Plymouth (40.997, -82.667). Updated through the day.

Growing snapshot for Plymouth

Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a

More local growing data for Plymouth: nearby ZIP 44865 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Mansfield Lahm Muni Ap, Oh (14.8 mi from Plymouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.