Brownstown, IN Weather & Growing Conditions
Today
93°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 93, with temperatures falling to around 89 in the afternoon. South southwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph SSW | 46% |
| Tonight | 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% |
| Friday Night | 54°F | Partly Cloudy | 5 mph NNE | 4% |
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 Sep 19, 2026.