Greenville, WI Weather & Growing Conditions
Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Heat index values as high as 85. West southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 9 to 13 mph WSW | 31% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 45% |
| Wednesday | 79°F | Chance Showers And Thunderstorms then Partly Sunny | 5 mph WNW | 28% |
| Wednesday Night | 57°F | Partly Cloudy | 3 mph W | 0% |
| Thursday | 82°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 83°F | Sunny | 5 to 12 mph SSW | 3% |
| Friday Night | 65°F | Mostly Clear | 8 to 12 mph SSW | 12% |
| Saturday | 85°F | Mostly Sunny | 7 to 10 mph SW | 12% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 39% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 39% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 45% |
| Monday | 81°F | Chance Rain Showers | 7 mph S | 35% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 mph NNE | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenville, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5b
Explore more for Greenville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Appleton, Wi (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.