Cashton, WI Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms | 13 to 16 mph E | 100% |
| Saturday | 65°F | Showers And Thunderstorms | 7 to 13 mph E | 94% |
| Saturday Night | 55°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 52% |
| Sunday | 68°F | Partly Sunny | 14 mph NE | 13% |
| Sunday Night | 49°F | Mostly Cloudy | 12 mph NE | 5% |
| Monday | 63°F | Mostly Cloudy then Chance Rain Showers | 9 to 13 mph E | 31% |
| Monday Night | 45°F | Chance Rain Showers | 6 to 9 mph NE | 31% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 6 to 9 mph E | 17% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 6 mph NE | 5% |
| Wednesday | 66°F | Sunny | 2 to 6 mph E | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph E | 3% |
| Thursday | 69°F | Mostly Sunny | 3 mph E | 6% |
| Thursday Night | 49°F | Partly Cloudy | 1 mph SE | 6% |
| Friday | 70°F | Mostly Sunny | 3 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cashton, WI
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
5a
Explore more for Cashton, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Cashton, Wi (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.