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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

WhenTempForecastWindPrecip
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.