Cassville, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cassville, a village in Clayton County, Wisconsin.
Tonight
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 63. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Cassville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 84% |
| Saturday | 77°F | Showers And Thunderstorms | 7 to 10 mph S | 75% |
| Saturday Night | 59°F | Showers And Thunderstorms Likely | 7 to 10 mph N | 72% |
| Sunday | 67°F | Chance Rain Showers | 14 mph NE | 49% |
| Sunday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 16% |
| Monday | 63°F | Chance Rain Showers | 14 mph NE | 43% |
| Monday Night | 49°F | Chance Rain Showers | 8 to 14 mph NE | 43% |
| Tuesday | 62°F | Chance Rain Showers | 8 to 12 mph NE | 34% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 8 mph NE | 7% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 1 to 5 mph E | 3% |
| Thursday | 68°F | Mostly Sunny | 1 to 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 2 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 1 to 5 mph NE | 4% |
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
Nearby towns & communities
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 Sep 19, 2026.