Plum City, WI Weather & Growing Conditions
Today
56°F
Light Rain then Drizzle
Rain and patchy fog before noon, then drizzle and patchy fog. Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Light Rain then Drizzle | 5 to 10 mph SW | 86% |
| Tonight | 44°F | Light Rain then Drizzle Likely | 10 to 15 mph WNW | 92% |
| Thursday | 49°F | Chance Drizzle then Mostly Cloudy | 10 to 15 mph NNW | 33% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 3% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Partly Cloudy | 5 mph WNW | 1% |
| Tuesday | 55°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 mph WSW | 3% |
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 Nov 4, 2026.