Muir, MI Weather & Growing Conditions
This Afternoon
70°F
Rain Showers
Rain showers. Mostly cloudy. High near 70, with temperatures falling to around 66 in the afternoon. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Rain Showers | 13 to 16 mph S | 80% |
| Tonight | 48°F | Chance Rain Showers | 13 mph SW | 26% |
| Thursday | 56°F | Chance Rain Showers | 13 to 16 mph SW | 51% |
| Thursday Night | 39°F | Rain Showers Likely | 8 to 12 mph W | 56% |
| Friday | 49°F | Rain Showers Likely | 13 mph NNW | 64% |
| Friday Night | 32°F | Rain Showers Likely | 10 mph NNW | 64% |
| Saturday | 50°F | Mostly Sunny | 9 mph NW | 4% |
| Saturday Night | 30°F | Partly Cloudy | 7 mph W | 1% |
| Sunday | 55°F | Mostly Sunny | 7 to 14 mph W | 14% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph W | 14% |
| Monday | 59°F | Mostly Sunny | 6 to 12 mph WSW | 2% |
| Monday Night | 38°F | Partly Cloudy | 9 mph WSW | 4% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Rain Showers | 8 to 13 mph W | 15% |
| Tuesday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 8 mph NW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Muir, MI
Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a
Explore more for Muir, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Ionia 2Ssw, Mi (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.