Plymouth, WI Weather & Growing Conditions
This Afternoon
62°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 62. East wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Scattered Showers And Thunderstorms | 10 mph E | 43% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 58% |
| Sunday | 64°F | Mostly Cloudy | 10 to 15 mph NE | 11% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday Night | 49°F | Mostly Cloudy | 5 to 15 mph NE | 4% |
| Tuesday | 61°F | Partly Sunny | 5 to 15 mph NE | 5% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 62°F | Partly Sunny | 5 to 15 mph NE | 7% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Thursday | 65°F | Partly Sunny | 5 mph NE | 2% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, WI
Last spring frost
May 3
First fall frost
Oct 10
Growing season
159 days
Hardiness zone
5b
Explore more for Plymouth, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Plymouth Wwtp, Wi (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.