Brownsburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsburg, a town in Hendricks County, Indiana.
Tonight
46°F
Mostly Cloudy
Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. Southwest wind 7 to 12 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brownsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 7 to 12 mph SW | 6% |
| Thursday | 61°F | Mostly Cloudy | 8 to 14 mph SW | 1% |
| Thursday Night | 42°F | Chance Light Rain | 5 to 8 mph W | 25% |
| Friday | 52°F | Mostly Cloudy | 7 to 12 mph NNW | 14% |
| Friday Night | 33°F | Partly Cloudy | 6 to 10 mph NNW | 8% |
| Saturday | 52°F | Mostly Sunny | 5 to 8 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 mph NW | 0% |
| Sunday | 56°F | Sunny | 2 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Monday | 61°F | Sunny | 2 to 8 mph W | 0% |
| Monday Night | 37°F | Clear | 7 mph WSW | 0% |
| Tuesday | 63°F | Sunny | 7 mph W | 2% |
| Tuesday Night | 37°F | Mostly Clear | 5 mph WNW | 2% |
| Veterans Day | 61°F | Sunny | 2 to 6 mph NNW | 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 Nov 5, 2026.