Cashton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cashton, a village in Monroe County, Wisconsin.
Today
79°F
Mostly Cloudy then Isolated Showers And Thunderstorms
Isolated rain showers between 4pm and 5pm, then isolated showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 75 in the afternoon. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cashton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Cloudy then Isolated Showers And Thunderstorms | 6 to 10 mph W | 24% |
| Tonight | 59°F | Scattered Showers And Thunderstorms | 5 mph NW | 41% |
| Wednesday | 77°F | Partly Sunny | 5 mph NW | 7% |
| Wednesday Night | 54°F | Mostly Clear | 1 to 5 mph W | 1% |
| Thursday | 82°F | Sunny | 3 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 mph S | 0% |
| Friday | 84°F | Sunny | 3 to 10 mph SW | 5% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Saturday | 85°F | Mostly Sunny | 5 to 8 mph SW | 11% |
| Saturday Night | 67°F | Partly Cloudy then Chance Rain Showers | 8 mph SW | 35% |
| Sunday | 86°F | Chance Rain Showers | 6 to 10 mph W | 35% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 42% |
| Monday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph S | 42% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 mph NE | 30% |
Forecast source: National Weather Service (api.weather.gov) for Cashton (43.741, -90.787). Updated through the day.
Growing snapshot for Cashton
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
5a
More local growing data for Cashton: nearby ZIP 54619 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cashton, Wi (0.9 mi from Cashton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.