Plum City, WI Weather & Growing Conditions
Today
77°F
Partly Sunny then Patchy Smoke
Patchy smoke after 5pm. Partly sunny, with a high near 77. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Partly Sunny then Patchy Smoke | 10 mph NW | 10% |
| Tonight | 54°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph NW | 15% |
| Wednesday | 76°F | Sunny | 0 to 5 mph NW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph WSW | 0% |
| Thursday | 82°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SSW | 2% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 11% |
| Friday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 31% |
| Saturday | 85°F | Slight Chance Rain Showers then Sunny | 5 to 10 mph SSW | 16% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph WNW | 43% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 43% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 20% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 24% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 25% |
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 Aug 4, 2026.