Brownsburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsburg, a town in Hendricks County, Indiana.
Tonight
65°F
Mostly Cloudy then Scattered Rain Showers
Scattered rain showers after 5am. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. East wind around 7 mph.
7-day forecast for Brownsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Mostly Cloudy then Scattered Rain Showers | 7 mph E | 11% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 8 mph SSE | 55% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 7 mph SSE | 50% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 mph W | 41% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 62% |
| Monday | 72°F | Showers And Thunderstorms Likely | 12 mph NE | 62% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 45% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 13 mph NE | 35% |
| Tuesday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 12 mph NNE | 23% |
| Wednesday | 70°F | Mostly Cloudy | 7 to 10 mph NNE | 6% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph N | 5% |
| Thursday | 71°F | Partly Sunny | 5 to 9 mph N | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 72°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Brownsburg (39.834, -86.386). Updated through the day.
Growing snapshot for Brownsburg
Last spring frost
Apr 12
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
6a
More local growing data for Brownsburg: nearby ZIP 46112 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Amo
Avon
Belleville
Cartersburg
Clayton
Clermont
Coatesville
Danville
Heritage Lake
Lizton
North Salem
Pittsboro
Plainfield
Climate data from the nearest NOAA station, Indianapolis Eagle Creek Ap, In (5.3 mi from Brownsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.