Plymouth, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a village in Huron County, Ohio.
This Afternoon
64°F
Light Rain
Rain. Cloudy, with a high near 64. South wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Plymouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Light Rain | 20 mph S | 93% |
| Tonight | 50°F | Light Rain Likely | 9 to 18 mph S | 55% |
| Thursday | 62°F | Partly Sunny | 9 to 17 mph SW | 3% |
| Thursday Night | 44°F | Mostly Cloudy then Slight Chance Light Rain | 6 to 10 mph SW | 21% |
| Friday | 54°F | Chance Light Rain | 7 to 10 mph W | 42% |
| Friday Night | 34°F | Chance Light Rain | 10 mph NW | 42% |
| Saturday | 50°F | Mostly Cloudy | 12 mph NW | 12% |
| Saturday Night | 31°F | Mostly Cloudy | 7 mph W | 9% |
| Sunday | 55°F | Mostly Sunny | 6 to 13 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 6 to 10 mph W | 2% |
| Monday | 58°F | Sunny | 6 to 12 mph W | 1% |
| Monday Night | 38°F | Mostly Clear | 8 to 12 mph SW | 0% |
| Tuesday | 61°F | Sunny | 12 mph W | 0% |
| Tuesday Night | 35°F | Mostly Clear | 2 to 7 mph W | 2% |
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
Nearby towns & communities
Bellevue
Celeryville
Collins
Greenwich
Holiday Lakes
Monroeville
New Haven
New London
North Fairfield
Norwalk
Rochester
Wakeman
Willard
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 Nov 5, 2026.