Plymouth, IN Weather & Growing Conditions
Today
67°F
Chance Rain Showers
A chance of rain showers before 3pm. Mostly cloudy. High near 67, with temperatures falling to around 60 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Chance Rain Showers | 15 mph SW | 43% |
| Tonight | 47°F | Mostly Cloudy | 10 to 15 mph SW | 13% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph SW | 29% |
| Thursday Night | 41°F | Rain Showers | 5 to 10 mph W | 82% |
| Friday | 50°F | Chance Rain Showers | 5 to 15 mph NW | 52% |
| Friday Night | 35°F | Chance Rain Showers | 5 to 10 mph NW | 35% |
| Saturday | 52°F | Partly Sunny | 5 to 10 mph NW | 10% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 4% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph NW | 1% |
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 Nov 4, 2026.