Big Bay, MI Weather & Growing Conditions
Today
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 63 in the afternoon. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Partly Sunny | 5 mph SE | 12% |
| Tonight | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SW | 16% |
| Sunday | 60°F | Chance Rain Showers | 5 to 15 mph NE | 34% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Monday | 58°F | Partly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 42°F | Mostly Clear | 0 to 5 mph E | 0% |
| Tuesday | 61°F | Sunny | 0 to 10 mph SE | 0% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Wednesday | 64°F | Sunny | 0 to 10 mph SE | 1% |
| Wednesday Night | 45°F | Mostly Clear | 0 to 10 mph SE | 1% |
| Thursday | 66°F | Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 46°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Friday | 69°F | Sunny | 0 to 5 mph SE | 2% |
| Friday Night | 48°F | Mostly Clear | 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Bay, MI
Last spring frost
May 22
First fall frost
Oct 6
Growing season
137 days
Hardiness zone
5b
Explore more for Big Bay, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Big Bay 1Nw, Mi (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.