Harman US

Brownstown, IN Weather & Growing Conditions

This Afternoon
70°F
Chance Light Rain
A chance of rain before 2pm. Cloudy. High near 70, with temperatures falling to around 65 in the afternoon. Southwest wind 7 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Chance Light Rain 7 to 12 mph SW 28%
Tonight 46°F Mostly Cloudy 1 to 6 mph WSW 4%
Thursday 64°F Mostly Sunny 2 to 7 mph SW 0%
Thursday Night 43°F Partly Cloudy 0 to 3 mph W 0%
Friday 59°F Partly Sunny 1 to 6 mph NW 6%
Friday Night 37°F Partly Cloudy 5 mph NW 6%
Saturday 55°F Mostly Sunny 3 mph NW 0%
Saturday Night 32°F Partly Cloudy 2 mph NNW 0%
Sunday 58°F Sunny 0 to 5 mph WNW 1%
Sunday Night 32°F Mostly Clear 0 to 3 mph WNW 1%
Monday 62°F Sunny 0 to 3 mph NW 1%
Monday Night 36°F Clear 2 mph SW 0%
Tuesday 66°F Sunny 5 mph WSW 1%
Tuesday Night 36°F Mostly Clear 2 mph NW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Brownstown, IN

Last spring frost
Apr 16
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b

Explore more for Brownstown, IN: full frost dates · planting calendar · Indiana frost dates

Climate data from the nearest NOAA station, Seymour 2 N, In (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.