Luther, MI Weather & Growing Conditions
Tonight
45°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 45, with temperatures rising to around 48 overnight. East wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Rain Showers Likely | 5 to 8 mph E | 56% |
| Saturday | 63°F | Rain Showers Likely | 10 mph ESE | 61% |
| Saturday Night | 49°F | Showers And Thunderstorms Likely | 5 to 8 mph E | 55% |
| Sunday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NE | 15% |
| Sunday Night | 43°F | Mostly Cloudy | 9 mph NE | 1% |
| Monday | 63°F | Mostly Cloudy | 12 mph ENE | 2% |
| Monday Night | 40°F | Mostly Cloudy | 9 mph ENE | 2% |
| Tuesday | 64°F | Partly Sunny | 8 to 12 mph ENE | 8% |
| Tuesday Night | 42°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 10 mph ENE | 15% |
| Wednesday | 65°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph ENE | 15% |
| Wednesday Night | 43°F | Mostly Cloudy | 7 mph ENE | 14% |
| Thursday | 68°F | Partly Sunny | 7 mph NE | 3% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph NE | 3% |
| Friday | 72°F | Mostly Sunny | 2 to 6 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Luther, MI
Last spring frost
May 28
First fall frost
Sep 25
Growing season
119 days
Hardiness zone
5a
Explore more for Luther, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Wellston 1N, Mi (17.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.