Cassville, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cassville, a village in Clayton County, Wisconsin.
This Afternoon
67°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 67. South wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cassville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms Likely | 15 mph S | 74% |
| Tonight | 52°F | Showers And Thunderstorms | 13 mph SE | 89% |
| Wednesday | 54°F | Chance Rain Showers | 13 to 16 mph S | 53% |
| Wednesday Night | 45°F | Chance Rain Showers | 16 mph SW | 50% |
| Thursday | 51°F | Rain Showers Likely | 13 mph W | 74% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 19% |
| Friday | 49°F | Partly Sunny | 5 to 10 mph N | 7% |
| Friday Night | 32°F | Partly Cloudy | 2 mph NW | 2% |
| Saturday | 52°F | Mostly Sunny | 1 to 6 mph W | 2% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 58°F | Sunny | 5 to 8 mph W | 13% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 3% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 1% |
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 Nov 4, 2026.