Plum City, WI Weather & Growing Conditions
Today
63°F
Chance Drizzle then Chance Rain Showers
A chance of drizzle and patchy fog before 3pm, then a chance of rain showers between 3pm and 5pm. Cloudy, with a high near 63. East northeast wind around 10 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Chance Drizzle then Chance Rain Showers | 10 mph ENE | 42% |
| Tonight | 50°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 10 mph ENE | 0% |
| Monday | 62°F | Mostly Cloudy | 10 mph ENE | 5% |
| Monday Night | 43°F | Mostly Cloudy | 5 mph ENE | 5% |
| Tuesday | 63°F | Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph E | 1% |
| Wednesday | 66°F | Sunny | 5 mph E | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 5 mph ESE | 4% |
| Thursday | 67°F | Partly Sunny | 5 mph SE | 14% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph SE | 11% |
| Friday | 71°F | Partly Sunny | 0 to 5 mph ESE | 11% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph SE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plum City, WI
Last spring frost
May 13
First fall frost
Sep 29
Growing season
139 days
Hardiness zone
4b
Explore more for Plum City, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Ellsworth 1E, Wi (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.