Spring Valley, WI Weather & Growing Conditions
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 10 mph NW | 9% |
| Tonight | 54°F | Partly Cloudy | 0 to 10 mph NW | 9% |
| Wednesday | 77°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 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 | 85°F | Sunny | 5 to 15 mph SW | 11% |
| Friday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 41% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SSW | 19% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 mph W | 47% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 18% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 23% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 mph NNE | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spring Valley, WI
Last spring frost
May 6
First fall frost
Oct 2
Growing season
148 days
Hardiness zone
4b
Explore more for Spring Valley, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Baldwin, Wi (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.