Green Valley, WI Weather & Growing Conditions
Overnight
58°F
Rain Showers
Rain showers and patchy fog. Cloudy. Low around 58, with temperatures rising to around 60 overnight. South southeast wind around 7 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 |
|---|---|---|---|---|
| Overnight | 58°F | Rain Showers | 7 mph SSE | 89% |
| Wednesday | 64°F | Rain Showers | 7 to 12 mph S | 84% |
| Wednesday Night | 44°F | Rain Showers Likely | 9 mph SW | 65% |
| Thursday | 53°F | Rain Showers Likely | 6 to 12 mph WNW | 73% |
| Thursday Night | 31°F | Mostly Cloudy | 8 to 12 mph N | 11% |
| Friday | 45°F | Slight Chance Rain Showers then Partly Sunny | 5 to 13 mph N | 18% |
| Friday Night | 25°F | Partly Cloudy | 3 mph NNW | 0% |
| Saturday | 49°F | Sunny | 1 to 5 mph WNW | 0% |
| Saturday Night | 28°F | Partly Cloudy | 2 to 6 mph W | 5% |
| Sunday | 54°F | Mostly Sunny | 6 to 9 mph W | 8% |
| Sunday Night | 29°F | Mostly Clear | 5 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Monday Night | 34°F | Partly Cloudy | 7 mph W | 2% |
| Tuesday | 57°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 8 mph WNW | 15% |
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 Nov 4, 2026.