Cassville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cassville, a community in Howard County, Indiana.
Overnight
61°F
Mostly Cloudy
Mostly cloudy. Low around 61, with temperatures rising to around 65 overnight. East southeast wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cassville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Cloudy | 9 mph ESE | 5% |
| Saturday | 82°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph SE | 72% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 6 mph S | 42% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 3 to 12 mph NW | 66% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 14 mph NE | 66% |
| Monday | 68°F | Showers And Thunderstorms Likely | 14 to 17 mph ENE | 64% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 14 to 17 mph NE | 40% |
| Tuesday | 67°F | Slight Chance Showers And Thunderstorms | 16 mph NE | 24% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 15 mph NE | 17% |
| Wednesday | 67°F | Mostly Cloudy | 12 mph NNE | 10% |
| Wednesday Night | 53°F | Mostly Cloudy | 6 to 12 mph NNE | 9% |
| Thursday | 70°F | Partly Sunny | 6 to 9 mph N | 6% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NNE | 6% |
| Friday | 71°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cassville (40.556, -86.130). Updated through the day.
Growing snapshot for Cassville
Last spring frost
Apr 27
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
6a
More local growing data for Cassville: nearby ZIP 46901 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kokomo 3 Wsw, In (5.1 mi from Cassville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.