Frankenmuth, MI Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 6 to 10 mph SW | 0% |
| Tonight | 61°F | Mostly Clear | 6 to 9 mph SSW | 0% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 24% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 79% |
| Thursday | 80°F | Rain Showers | 3 to 7 mph W | 79% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 to 6 mph E | 36% |
| Friday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 17% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 17% |
| Saturday | 88°F | Sunny | 5 to 13 mph SW | 5% |
| Saturday Night | 64°F | Mostly Clear then Chance Rain Showers | 6 to 12 mph SW | 30% |
| Sunday | 88°F | Chance Rain Showers | 6 to 16 mph SW | 30% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 7 to 15 mph WSW | 51% |
| Monday | 85°F | Chance Rain Showers | 10 mph WSW | 51% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 6 to 9 mph W | 48% |
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 Aug 4, 2026.