Frankenmuth, MI Weather & Growing Conditions
Tonight
50°F
Chance Light Rain
A chance of rain after 8pm. Mostly cloudy. Low around 50, with temperatures rising to around 53 overnight. East northeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Light Rain | 5 to 9 mph ENE | 36% |
| Saturday | 66°F | Rain Showers Likely | 5 to 9 mph ESE | 69% |
| Saturday Night | 53°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph E | 73% |
| Sunday | 67°F | Chance Rain Showers | 8 to 16 mph NE | 34% |
| Sunday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 15 mph NE | 22% |
| Monday | 63°F | Mostly Cloudy | 12 to 16 mph NE | 3% |
| Monday Night | 46°F | Mostly Cloudy | 9 to 16 mph NE | 5% |
| Tuesday | 63°F | Partly Sunny | 12 to 16 mph NE | 8% |
| Tuesday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 12 to 16 mph ENE | 35% |
| Wednesday | 64°F | Chance Rain Showers | 13 mph ENE | 40% |
| Wednesday Night | 48°F | Chance Rain Showers | 6 to 12 mph NE | 30% |
| Thursday | 67°F | Partly Sunny | 6 to 10 mph NE | 12% |
| Thursday Night | 48°F | Mostly Cloudy | 3 to 10 mph NNE | 12% |
| Friday | 70°F | Mostly Sunny | 3 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frankenmuth, MI
Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a
Explore more for Frankenmuth, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Frankenmuth 1Se, Mi (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.