Plymouth, WI Weather & Growing Conditions
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 to 15 mph S | 82% |
| Wednesday | 63°F | Chance Light Rain | 15 mph S | 49% |
| Wednesday Night | 46°F | Cloudy then Light Rain Likely | 15 mph SW | 58% |
| Thursday | 54°F | Light Rain | 10 to 15 mph W | 75% |
| Thursday Night | 37°F | Chance Light Rain then Cloudy | 10 to 15 mph N | 31% |
| Friday | 46°F | Chance Rain And Snow then Mostly Cloudy | 10 to 15 mph N | 28% |
| Friday Night | 31°F | Partly Cloudy | 5 mph N | 1% |
| Saturday | 49°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 10 mph W | 4% |
| Sunday | 54°F | Sunny | 10 to 15 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 5 to 10 mph W | 1% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph W | 0% |
| Monday Night | 41°F | Partly Cloudy | 10 mph W | 0% |
| Tuesday | 58°F | Sunny | 5 to 10 mph NW | 6% |
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 Nov 4, 2026.