Bronson, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bronson, a city in Branch County, Michigan.
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind around 5 mph.
7-day forecast for Bronson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 84°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 82% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 5 mph SW | 60% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 40% |
| Friday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 37% |
| Friday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SW | 37% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 0 to 10 mph W | 30% |
| Sunday | 84°F | Chance Rain Showers | 5 to 15 mph SW | 31% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 50% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph SW | 65% |
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 Aug 4, 2026.