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Cassville, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cassville, a village in Clayton County, Wisconsin.

Today
81°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 11am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 76 in the afternoon. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Cassville

WhenTempForecastWindPrecip
Today 81°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 8 mph W 38%
Tonight 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms 6 mph NW 83%
Wednesday 75°F Chance Showers And Thunderstorms 3 mph NW 41%
Wednesday Night 57°F Slight Chance Rain Showers 3 mph NW 16%
Thursday 79°F Sunny 1 mph NE 8%
Thursday Night 60°F Mostly Clear 2 mph S 0%
Friday 82°F Sunny 1 to 6 mph S 4%
Friday Night 64°F Mostly Clear 7 mph S 8%
Saturday 84°F Mostly Sunny 5 to 8 mph SW 10%
Saturday Night 69°F Chance Showers And Thunderstorms 6 to 9 mph S 31%
Sunday 85°F Chance Showers And Thunderstorms 12 mph S 31%
Sunday Night 68°F Chance Showers And Thunderstorms 5 to 9 mph S 41%
Monday 84°F Chance Showers And Thunderstorms 8 mph S 41%
Monday Night 68°F Chance Showers And Thunderstorms 9 mph NE 38%

Forecast source: National Weather Service (api.weather.gov) for Cassville (42.715, -90.989). Updated through the day.

Growing snapshot for Cassville

Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a

More local growing data for Cassville: nearby ZIP 52066 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (9.6 mi from Cassville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.