Au Sable, MI Weather & Growing Conditions
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. South wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 to 15 mph S | 0% |
| Tonight | 62°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Wednesday | 81°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 70% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 67% |
| Thursday | 79°F | Rain Showers Likely | 0 to 5 mph NE | 67% |
| Thursday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph SE | 18% |
| Friday | 85°F | Sunny | 0 to 5 mph SW | 5% |
| Friday Night | 60°F | Mostly Clear | 5 mph S | 5% |
| Saturday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 44% |
| Monday | 84°F | Chance Rain Showers | 5 mph W | 40% |
| Monday Night | 59°F | Chance Rain Showers | 5 mph NE | 40% |
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 Aug 4, 2026.