West Branch, MI Weather & Growing Conditions
Today
68°F
Rain Showers Likely
Rain showers likely after 7am. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Rain Showers Likely | 5 to 10 mph S | 74% |
| Tonight | 45°F | Rain Showers Likely | 10 mph SW | 74% |
| Thursday | 53°F | Chance Rain Showers | 10 mph SW | 49% |
| Thursday Night | 36°F | Rain Showers Likely | 5 to 10 mph W | 70% |
| Friday | 46°F | Rain Showers Likely | 10 mph N | 70% |
| Friday Night | 29°F | Rain Showers Likely | 10 mph N | 65% |
| Saturday | 48°F | Chance Rain Showers then Mostly Sunny | 5 mph NW | 36% |
| Saturday Night | 27°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph W | 11% |
| Sunday Night | 31°F | Partly Cloudy | 5 to 10 mph W | 11% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph W | 2% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 5% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Tuesday Night | 31°F | Partly Cloudy | 0 to 5 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Branch, MI
Last spring frost
May 15
First fall frost
Oct 4
Growing season
143 days
Hardiness zone
5a
Explore more for West Branch, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, W Branch 3Se, Mi (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.