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Brownstown, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brownstown, a town in Jackson County, Indiana.

Overnight
68°F
Mostly Cloudy
Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. East wind around 2 mph.

7-day forecast for Brownstown

WhenTempForecastWindPrecip
Overnight 68°F Mostly Cloudy 2 mph E 3%
Saturday 93°F Mostly Sunny then Chance Showers And Thunderstorms 3 mph SSW 46%
Saturday Night 71°F Chance Showers And Thunderstorms then Mostly Cloudy 2 mph SSE 28%
Sunday 91°F Mostly Sunny 5 mph WSW 13%
Sunday Night 64°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 6 mph NNE 45%
Monday 77°F Showers And Thunderstorms Likely 6 mph NE 56%
Monday Night 58°F Showers And Thunderstorms Likely 5 to 8 mph NE 56%
Tuesday 73°F Chance Showers And Thunderstorms 6 mph NNE 34%
Tuesday Night 57°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 2 to 7 mph NNE 27%
Wednesday 73°F Slight Chance Rain Showers then Partly Sunny 5 mph N 17%
Wednesday Night 56°F Partly Cloudy 1 to 5 mph N 12%
Thursday 73°F Partly Sunny 1 to 5 mph N 9%
Thursday Night 56°F Partly Cloudy 5 mph N 9%
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

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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.