Bronson, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bronson, a city in Branch County, Michigan.
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 25 mph.
7-day forecast for Bronson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 10 mph SW | 10% |
| Thursday | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 19% |
| Thursday Night | 39°F | Rain Showers Likely | 5 to 10 mph W | 56% |
| Friday | 50°F | Chance Rain Showers | 10 to 15 mph NW | 26% |
| Friday Night | 33°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 26% |
| Saturday | 51°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 15 mph W | 4% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph W | 4% |
| Monday | 59°F | Sunny | 5 to 10 mph W | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 35°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Veterans Day | 59°F | Mostly Sunny | 0 to 10 mph NW | 2% |
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 5, 2026.