Au Sable, MI Weather & Growing Conditions
This Afternoon
66°F
Cloudy
Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Cloudy | 5 to 10 mph NE | 2% |
| Tonight | 46°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Saturday | 66°F | Scattered Rain Showers | 0 to 5 mph SE | 29% |
| Saturday Night | 52°F | Scattered Rain Showers | 5 mph E | 48% |
| Sunday | 67°F | Scattered Rain Showers then Partly Sunny | 5 to 10 mph NE | 41% |
| Sunday Night | 48°F | Mostly Cloudy | 10 mph NE | 3% |
| Monday | 60°F | Mostly Cloudy | 10 to 15 mph NE | 0% |
| Monday Night | 45°F | Mostly Cloudy | 10 to 15 mph NE | 1% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 6% |
| Tuesday Night | 47°F | Partly Cloudy then Slight Chance Rain Showers | 10 to 15 mph E | 17% |
| Wednesday | 63°F | Chance Rain Showers | 10 mph E | 37% |
| Wednesday Night | 47°F | Chance Rain Showers | 5 to 10 mph E | 37% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NE | 13% |
| Thursday Night | 47°F | Mostly Cloudy | 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Au Sable, MI
Last spring frost
May 8
First fall frost
Oct 5
Growing season
148 days
Hardiness zone
5b
Explore more for Au Sable, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, E Tawas, Mi (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.