Brownsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsville, a community in Union County, Indiana.
Today
87°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph S | 60% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 3 mph S | 41% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 6 mph W | 34% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 9 mph NE | 52% |
| Monday | 70°F | Showers And Thunderstorms Likely | 10 mph NE | 59% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 53% |
| Tuesday | 70°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 20% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 28% |
| Wednesday | 70°F | Chance Rain Showers | 7 mph NE | 35% |
| Wednesday Night | 54°F | Chance Rain Showers | 2 to 7 mph NE | 35% |
| Thursday | 71°F | Mostly Cloudy | 3 to 7 mph N | 12% |
| Thursday Night | 53°F | Mostly Cloudy | 2 to 7 mph N | 12% |
| Friday | 72°F | Mostly Sunny | 3 to 8 mph NE | 7% |
| Friday Night | 51°F | Partly Cloudy | 2 to 8 mph NE | 7% |
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 Sep 19, 2026.