Port Austin, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 10 mph SW | 0% |
| Tonight | 63°F | Partly Cloudy | 6 to 10 mph SSW | 0% |
| Wednesday | 82°F | Mostly Sunny | 7 to 10 mph SW | 14% |
| Wednesday Night | 63°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 8 mph W | 85% |
| Thursday | 76°F | Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 8 mph NNE | 85% |
| Thursday Night | 61°F | Slight Chance Rain Showers | 2 to 6 mph SE | 21% |
| Friday | 82°F | Mostly Sunny | 2 to 6 mph SSW | 11% |
| Friday Night | 64°F | Mostly Clear | 7 mph S | 11% |
| Saturday | 84°F | Sunny | 7 to 13 mph SW | 11% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SSW | 35% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 7 to 15 mph SW | 35% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 8 to 12 mph WSW | 44% |
| Monday | 81°F | Chance Rain Showers | 9 mph WSW | 43% |
| Monday Night | 63°F | Chance Rain Showers | 8 mph N | 46% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Austin, MI
Last spring frost
May 4
First fall frost
Oct 26
Growing season
172 days
Hardiness zone
6a
Explore more for Port Austin, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Port Austin Wwtp, Mi (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.