Sault Ste. Marie, MI Weather & Growing Conditions
Today
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 80 in the afternoon. South wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 to 15 mph S | 8% |
| Tonight | 61°F | Showers And Thunderstorms Likely | 0 to 15 mph NW | 66% |
| Wednesday | 75°F | Chance Rain Showers then Mostly Cloudy | 0 to 10 mph NW | 52% |
| Wednesday Night | 55°F | Mostly Cloudy | 0 to 10 mph N | 5% |
| Thursday | 79°F | Mostly Sunny | 0 to 10 mph SE | 4% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph S | 3% |
| Friday | 83°F | Sunny | 5 to 15 mph S | 1% |
| Friday Night | 64°F | Mostly Clear then Slight Chance Rain Showers | 5 to 10 mph SW | 18% |
| Saturday | 80°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 38% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 0 to 15 mph W | 42% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 40% |
| Monday | 76°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NW | 15% |
| Monday Night | 57°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NW | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sault Ste. Marie, MI
Last spring frost
May 9
First fall frost
Oct 11
Growing season
151 days
Hardiness zone
4b
Explore more for Sault Ste. Marie, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Sault Ste Marie Sanderson Fld, Mi (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.