Plymouth, IN Weather & Growing Conditions
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 5 mph E | 8% |
| Tonight | 58°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 36% |
| Saturday | 77°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 78% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 86% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 53°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 57% |
| Monday | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 53% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Tuesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 5 to 10 mph NE | 22% |
| Wednesday | 66°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 70°F | Partly Sunny | 5 mph N | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, IN
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
178 days
Hardiness zone
6a
Explore more for Plymouth, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Plymouth, In (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.