Sault Ste. Marie, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sault Ste. Marie, a city in Chippewa County, Michigan.
This Afternoon
83°F
Isolated Rain Showers
Isolated rain showers after 5pm. Mostly sunny. High near 83, with temperatures falling to around 81 in the afternoon. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
7-day forecast for Sault Ste. Marie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Isolated Rain Showers | 10 to 15 mph SW | 16% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 0 to 10 mph NW | 67% |
| Wednesday | 73°F | Scattered Rain Showers | 0 to 10 mph N | 40% |
| Wednesday Night | 52°F | Mostly Cloudy | 0 to 10 mph NW | 5% |
| Thursday | 80°F | Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 58°F | Mostly Clear | 0 to 10 mph S | 0% |
| Friday | 84°F | Sunny | 0 to 10 mph S | 1% |
| Friday Night | 60°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 10 mph S | 38% |
| Saturday | 74°F | Chance Showers And Thunderstorms | 0 to 10 mph W | 38% |
| Saturday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 10 mph W | 16% |
| Sunday | 75°F | Slight Chance Rain Showers | 0 to 10 mph W | 20% |
| Sunday Night | 56°F | Slight Chance Rain Showers | 0 to 10 mph W | 20% |
| Monday | 74°F | Slight Chance Rain Showers | 0 to 10 mph W | 23% |
| Monday Night | 55°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph NW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Sault Ste. Marie (46.476, -84.371). Updated through the day.
Growing snapshot for Sault Ste. Marie
Last spring frost
May 9
First fall frost
Oct 11
Growing season
151 days
Hardiness zone
4b
More local growing data for Sault Ste. Marie: nearby ZIP 49783 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sault Ste Marie Sanderson Fld, Mi (5.4 mi from Sault Ste. Marie). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.