Brownstown, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownstown, a town in Jackson County, Indiana.
Tonight
68°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 9pm, then isolated showers and thunderstorms between 9pm and 10pm. Partly cloudy. Low around 68, with temperatures rising to around 70 overnight. East northeast wind 3 to 7 mph. Chance of precipitation is 40%.
7-day forecast for Brownstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Scattered Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph ENE | 43% |
| Saturday | 92°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 to 7 mph S | 39% |
| Saturday Night | 72°F | Isolated Showers And Thunderstorms | 3 mph S | 21% |
| Sunday | 92°F | Mostly Sunny | 3 mph WSW | 14% |
| Sunday Night | 66°F | Chance Rain Showers | 5 mph NNE | 34% |
| Monday | 80°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph NE | 50% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 51% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 6 mph NE | 46% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 2 to 8 mph NNE | 43% |
| Wednesday | 72°F | Mostly Cloudy | 5 mph NNE | 10% |
| Wednesday Night | 57°F | Mostly Cloudy | 1 to 5 mph N | 7% |
| Thursday | 73°F | Partly Sunny | 1 to 5 mph N | 5% |
| Thursday Night | 58°F | Mostly Cloudy | 1 to 5 mph NNE | 5% |
| Friday | 74°F | Mostly Sunny | 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Brownstown (38.879, -86.048). Updated through the day.
Growing snapshot for Brownstown
Last spring frost
Apr 16
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b
More local growing data for Brownstown: nearby ZIP 47220 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Seymour 2 N, In (11.1 mi from Brownstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.