West Branch, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny. High near 84, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Wednesday | 77°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SW | 66% |
| Wednesday Night | 56°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 57% |
| Thursday | 77°F | Rain Showers Likely | 0 to 5 mph NE | 57% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph S | 20% |
| Friday | 82°F | Sunny | 0 to 5 mph SW | 4% |
| Friday Night | 58°F | Mostly Clear | 5 mph SW | 4% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 51% |
| Monday | 81°F | Chance Rain Showers | 5 to 10 mph W | 51% |
| Monday Night | 57°F | Chance Rain Showers | 5 mph NW | 40% |
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 Aug 4, 2026.