Green Valley, WI Weather & Growing Conditions
Today
82°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 79 in the afternoon. Heat index values as high as 84. Southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 13 mph SW | 28% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 2 to 6 mph NNW | 30% |
| Wednesday | 79°F | Partly Sunny | 3 mph ENE | 7% |
| Wednesday Night | 54°F | Partly Cloudy then Patchy Fog | 3 mph SE | 4% |
| Thursday | 82°F | Patchy Fog then Sunny | 1 to 6 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 mph SSW | 1% |
| Friday | 85°F | Sunny | 3 to 12 mph SW | 3% |
| Friday Night | 63°F | Slight Chance Rain Showers | 6 to 9 mph SW | 20% |
| Saturday | 85°F | Mostly Sunny | 6 to 10 mph SW | 13% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 3 to 8 mph SSW | 43% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 43% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 2 to 7 mph WNW | 40% |
| Monday | 82°F | Chance Showers And Thunderstorms | 2 to 6 mph WSW | 34% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 5 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Green Valley, WI
Last spring frost
May 14
First fall frost
Oct 1
Growing season
139 days
Explore more for Green Valley, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Suring, Wi (14.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.