Brownstown, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownstown, a town in Jackson County, Indiana.
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy. High near 71, with temperatures falling to around 67 in the afternoon. West southwest wind 7 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brownstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 7 to 10 mph WSW | 12% |
| Tonight | 47°F | Mostly Cloudy | 1 to 6 mph WSW | 4% |
| Thursday | 64°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 0 to 3 mph WSW | 5% |
| Friday | 57°F | Mostly Cloudy | 1 to 6 mph NW | 5% |
| Friday Night | 33°F | Partly Cloudy | 1 to 5 mph NNW | 4% |
| Saturday | 55°F | Sunny | 3 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 58°F | Sunny | 0 to 3 mph WNW | 0% |
| Sunday Night | 32°F | Mostly Clear | 2 mph NW | 0% |
| Monday | 63°F | Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 35°F | Clear | 2 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 3 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 2 mph NW | 2% |
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 Nov 5, 2026.