Cashton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cashton, a village in Monroe County, Wisconsin.
This Afternoon
66°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 66, with temperatures falling to around 64 in the afternoon. East wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cashton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms Likely | 9 to 13 mph E | 66% |
| Tonight | 56°F | Showers And Thunderstorms | 10 to 15 mph E | 87% |
| Saturday | 69°F | Showers And Thunderstorms Likely | 9 mph E | 67% |
| Saturday Night | 55°F | Showers And Thunderstorms Likely | 10 mph NE | 71% |
| Sunday | 68°F | Slight Chance Rain Showers then Partly Sunny | 10 to 14 mph NE | 15% |
| Sunday Night | 49°F | Mostly Cloudy | 10 mph NE | 5% |
| Monday | 63°F | Mostly Cloudy then Chance Rain Showers | 8 to 13 mph E | 32% |
| Monday Night | 45°F | Chance Rain Showers | 6 to 9 mph NE | 32% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 6 to 9 mph E | 16% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 6 mph NE | 5% |
| Wednesday | 66°F | Sunny | 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% |
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 Sep 18, 2026.