Brownsburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsburg, a town in Hendricks County, Indiana.
This Afternoon
83°F
Sunny
Sunny, with a high near 83. North northeast wind around 2 mph.
7-day forecast for Brownsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 2 mph NNE | 0% |
| Tonight | 61°F | Mostly Clear | 2 mph ENE | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 3 mph SSW | 7% |
| Thursday | 82°F | Isolated Showers And Thunderstorms | 2 to 7 mph SSW | 57% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 60% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 2 to 6 mph SSW | 39% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 38% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 20% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SSW | 20% |
| Sunday | 85°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 70°F | Partly Cloudy | 9 mph SSW | 14% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 19% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 33% |
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 Aug 4, 2026.