Bay Port, MI Weather & Growing Conditions
Today
64°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 64. Southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Chance Rain Showers | 8 mph SE | 26% |
| Tonight | 58°F | Rain Showers Likely | 9 mph E | 67% |
| Sunday | 65°F | Partly Sunny | 10 to 21 mph NE | 14% |
| Sunday Night | 54°F | Partly Cloudy | 21 mph NE | 0% |
| Monday | 59°F | Mostly Cloudy | 17 to 22 mph NE | 1% |
| Monday Night | 51°F | Mostly Cloudy | 14 to 22 mph ENE | 1% |
| Tuesday | 60°F | Mostly Sunny | 15 to 23 mph ENE | 2% |
| Tuesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 13 to 22 mph ENE | 23% |
| Wednesday | 62°F | Chance Rain Showers | 13 to 16 mph ENE | 34% |
| Wednesday Night | 51°F | Chance Rain Showers | 7 to 15 mph E | 34% |
| Thursday | 63°F | Chance Rain Showers then Partly Sunny | 8 to 13 mph ENE | 25% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Friday | 66°F | Mostly Sunny | 6 to 13 mph NE | 5% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bay Port, MI
Last spring frost
May 8
First fall frost
Oct 17
Growing season
162 days
Hardiness zone
6a
Explore more for Bay Port, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Filion 5Nnw, Mi (16.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.