Brownsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsville, a community in Union County, Indiana.
This Afternoon
68°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 68. Southwest wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Light Rain | 8 to 12 mph SW | 36% |
| Tonight | 46°F | Patchy Drizzle then Mostly Cloudy | 2 to 7 mph W | 7% |
| Thursday | 63°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 1 to 5 mph W | 7% |
| Friday | 55°F | Mostly Cloudy | 2 to 9 mph NW | 13% |
| Friday Night | 33°F | Mostly Cloudy | 3 to 7 mph NW | 12% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 56°F | Sunny | 1 to 8 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 64°F | Sunny | 2 to 6 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 3 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Brownsville (39.665, -85.003). Updated through the day.
Growing snapshot for Brownsville
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for Brownsville: nearby ZIP 47325 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Richmond Wtr Wks, In (13.2 mi from Brownsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.