Bronson, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bronson, a city in Branch County, Michigan.
Tonight
62°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 4am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
7-day forecast for Bronson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 15 mph S | 38% |
| Wednesday | 69°F | Rain Showers | 15 mph S | 81% |
| Wednesday Night | 49°F | Chance Rain Showers | 5 to 15 mph SW | 48% |
| Thursday | 60°F | Slight Chance Rain Showers | 10 to 15 mph SW | 21% |
| Thursday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph W | 28% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph NW | 38% |
| Friday Night | 35°F | Slight Chance Rain Showers | 5 to 10 mph N | 23% |
| Saturday | 51°F | Partly Sunny | 5 to 10 mph NW | 12% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Sunday Night | 34°F | Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Monday | 58°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph W | 15% |
| Monday Night | 38°F | Partly Cloudy | 10 mph SW | 6% |
| Tuesday | 61°F | Mostly Sunny | 5 to 15 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bronson (41.872, -85.191). Updated through the day.
Growing snapshot for Bronson
Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
6a
More local growing data for Bronson: nearby ZIP 49028 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Coldwater St School, Mi (12.6 mi from Bronson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.