Brownsburg, IN Weather & Growing Conditions
Today
67°F
Chance Rain Showers
A chance of rain showers before 4pm. Mostly cloudy. High near 67, with temperatures falling to around 61 in the afternoon. Southwest wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Chance Rain Showers | 12 to 15 mph SW | 27% |
| Tonight | 47°F | Mostly Cloudy | 8 to 12 mph SW | 6% |
| Thursday | 61°F | Partly Sunny | 9 to 15 mph SW | 9% |
| Thursday Night | 43°F | Mostly Cloudy | 3 to 9 mph W | 11% |
| Friday | 54°F | Isolated Rain Showers | 3 to 13 mph NW | 15% |
| Friday Night | 36°F | Partly Cloudy | 7 to 12 mph NW | 6% |
| Saturday | 52°F | Mostly Sunny | 8 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph NW | 1% |
| Sunday | 57°F | Sunny | 3 to 9 mph W | 2% |
| Sunday Night | 33°F | Mostly Clear | 3 to 7 mph W | 2% |
| Monday | 60°F | Sunny | 3 to 8 mph WSW | 2% |
| Monday Night | 37°F | Clear | 6 mph SW | 1% |
| Tuesday | 64°F | Sunny | 8 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 5 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brownsburg, IN
Last spring frost
Apr 12
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
6a
Explore more for Brownsburg, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Indianapolis Eagle Creek Ap, In (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.