Cashton, WI Weather & Growing Conditions
Tonight
54°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Cloudy, with a low around 54. Northeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 46% |
| Sunday | 69°F | Partly Sunny | 9 to 14 mph NE | 10% |
| Sunday Night | 48°F | Mostly Cloudy | 12 mph NE | 3% |
| Monday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph E | 24% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 24% |
| Tuesday | 62°F | Partly Sunny | 7 to 10 mph E | 10% |
| Tuesday Night | 44°F | Partly Cloudy | 3 to 7 mph NE | 2% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph E | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 1 to 5 mph E | 1% |
| Thursday | 68°F | Slight Chance Rain Showers | 3 mph E | 15% |
| Thursday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 2 mph E | 15% |
| Friday | 72°F | Partly Sunny | 2 mph E | 4% |
| Friday Night | 52°F | Partly Cloudy | 1 mph E | 4% |
| Saturday | 72°F | Mostly Sunny | 5 mph SE | 11% |
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 20, 2026.