Port Austin, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Austin, a village in Huron County, Michigan.
This Afternoon
71°F
Mostly Sunny
Mostly sunny. High near 71, with temperatures falling to around 68 in the afternoon. South southwest wind around 14 mph, with gusts as high as 23 mph.
7-day forecast for Port Austin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 14 mph SSW | 2% |
| Tonight | 59°F | Mostly Cloudy | 13 mph S | 4% |
| Wednesday | 67°F | Light Rain | 12 to 17 mph SSE | 88% |
| Wednesday Night | 51°F | Light Rain Likely then Mostly Cloudy | 12 to 16 mph SSW | 72% |
| Thursday | 57°F | Mostly Cloudy then Chance Light Rain | 15 mph SW | 41% |
| Thursday Night | 44°F | Light Rain Likely | 7 to 12 mph WNW | 67% |
| Friday | 51°F | Light Rain Likely | 8 to 16 mph N | 72% |
| Friday Night | 40°F | Light Rain Likely | 13 to 16 mph N | 69% |
| Saturday | 49°F | Chance Light Rain | 8 to 13 mph NW | 29% |
| Saturday Night | 37°F | Partly Cloudy | 8 mph W | 8% |
| Sunday | 52°F | Mostly Sunny then Slight Chance Light Rain | 9 to 13 mph W | 17% |
| Sunday Night | 39°F | Slight Chance Light Rain then Partly Cloudy | 13 mph WNW | 17% |
| Monday | 53°F | Partly Sunny | 12 to 15 mph W | 14% |
| Monday Night | 42°F | Partly Cloudy | 14 mph WSW | 14% |
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 Nov 3, 2026.