West Branch, MI Weather & Growing Conditions
Overnight
43°F
Mostly Cloudy
Mostly cloudy. Low around 43, with temperatures rising to around 46 overnight. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Cloudy | 5 mph NE | 14% |
| Saturday | 62°F | Chance Rain Showers | 5 mph E | 43% |
| Saturday Night | 50°F | Chance Rain Showers | 5 mph E | 51% |
| Sunday | 67°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 37% |
| Sunday Night | 43°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 58°F | Mostly Cloudy | 10 mph NE | 0% |
| Monday Night | 41°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 to 15 mph NE | 1% |
| Tuesday Night | 43°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 61°F | Chance Rain Showers | 5 to 10 mph E | 28% |
| Wednesday Night | 44°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 28% |
| Thursday | 64°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph NE | 5% |
| Friday | 68°F | Mostly Sunny | 5 mph NE | 4% |
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 Sep 19, 2026.