Plymouth, MN Weather & Growing Conditions
Today
62°F
Cloudy
Cloudy, with a high near 62. Northeast wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Cloudy | 10 mph NE | 16% |
| Tonight | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Sunday | 66°F | Partly Sunny | 10 mph NE | 1% |
| Sunday Night | 48°F | Cloudy | 5 to 10 mph NE | 1% |
| Monday | 64°F | Partly Sunny | 5 to 10 mph ENE | 3% |
| Monday Night | 45°F | Partly Cloudy | 5 mph ENE | 2% |
| Tuesday | 65°F | Sunny | 5 to 10 mph E | 2% |
| Tuesday Night | 44°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 to 5 mph SE | 6% |
| Thursday | 68°F | Mostly Sunny | 5 mph SE | 7% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Friday | 71°F | Mostly Sunny | 5 mph SE | 5% |
| Friday Night | 52°F | Partly Cloudy | 5 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, MN
Last spring frost
Apr 29
First fall frost
Oct 12
Growing season
163 days
Hardiness zone
5a
Explore more for Plymouth, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, New Hope, Mn (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.