Au Sable, MI Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 10 mph S | 3% |
| Wednesday | 68°F | Rain Showers | 10 to 15 mph S | 92% |
| Wednesday Night | 48°F | Rain Showers Likely then Mostly Cloudy | 10 to 15 mph SW | 64% |
| Thursday | 57°F | Rain Showers Likely | 10 to 15 mph SW | 62% |
| Thursday Night | 36°F | Rain Showers | 10 mph W | 86% |
| Friday | 48°F | Rain Showers | 10 to 15 mph N | 86% |
| Friday Night | 30°F | Rain Showers | 10 to 15 mph N | 77% |
| Saturday | 50°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NW | 17% |
| Saturday Night | 28°F | Partly Cloudy | 5 mph NW | 2% |
| Sunday | 54°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 30°F | Partly Cloudy | 5 to 10 mph W | 12% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph W | 3% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph SW | 7% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph W | 8% |
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 Nov 4, 2026.