Port Austin, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Austin, a village in Huron County, Michigan.
Tonight
54°F
Chance Light Rain
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 54. East northeast wind 6 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Port Austin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Chance Light Rain | 6 to 10 mph ENE | 26% |
| Saturday | 66°F | Chance Rain Showers | 6 to 10 mph SE | 38% |
| Saturday Night | 56°F | Chance Rain Showers | 6 to 9 mph E | 46% |
| Sunday | 65°F | Slight Chance Rain Showers then Partly Sunny | 8 to 16 mph NE | 17% |
| Sunday Night | 53°F | Mostly Cloudy | 14 to 17 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 18 mph NE | 1% |
| Monday Night | 52°F | Mostly Cloudy | 15 to 18 mph ENE | 2% |
| Tuesday | 62°F | Partly Sunny | 16 to 20 mph ENE | 7% |
| Tuesday Night | 53°F | Mostly Cloudy then Chance Rain Showers | 15 to 20 mph ENE | 28% |
| Wednesday | 63°F | Chance Rain Showers | 16 mph E | 42% |
| Wednesday Night | 53°F | Chance Rain Showers | 8 to 13 mph E | 36% |
| Thursday | 65°F | Slight Chance Rain Showers | 8 to 12 mph ENE | 18% |
| Thursday Night | 54°F | Mostly Cloudy | 6 to 9 mph NE | 9% |
| Friday | 66°F | Mostly Sunny | 7 to 10 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Port Austin (44.043, -82.995). Updated through the day.
Growing snapshot for Port Austin
Last spring frost
May 4
First fall frost
Oct 26
Growing season
172 days
Hardiness zone
6a
More local growing data for Port Austin: nearby ZIP 48467 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Port Austin Wwtp, Mi (2.3 mi from Port Austin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.