Bay Port, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bay Port, a community in Huron County, Michigan.
Tonight
50°F
Chance Light Rain
A chance of rain between 8pm and 2am. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. East northeast wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
7-day forecast for Bay Port
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Light Rain | 5 to 8 mph ENE | 31% |
| Saturday | 66°F | Chance Rain Showers | 5 to 9 mph ESE | 54% |
| Saturday Night | 53°F | Chance Rain Showers | 7 mph E | 50% |
| Sunday | 66°F | Chance Rain Showers then Mostly Cloudy | 7 to 17 mph NE | 32% |
| Sunday Night | 50°F | Mostly Cloudy | 12 to 16 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 13 to 20 mph NE | 1% |
| Monday Night | 48°F | Mostly Cloudy | 12 to 20 mph ENE | 3% |
| Tuesday | 62°F | Partly Sunny | 13 to 20 mph ENE | 7% |
| Tuesday Night | 49°F | Mostly Cloudy then Chance Rain Showers | 12 to 18 mph ENE | 32% |
| Wednesday | 63°F | Chance Rain Showers | 12 to 15 mph ENE | 41% |
| Wednesday Night | 50°F | Chance Rain Showers | 6 to 13 mph ENE | 34% |
| Thursday | 65°F | Slight Chance Rain Showers | 7 to 12 mph NE | 16% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 9 mph NE | 10% |
| Friday | 66°F | Mostly Sunny | 6 to 12 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Bay Port (43.837, -83.369). Updated through the day.
Growing snapshot for Bay Port
Last spring frost
May 8
First fall frost
Oct 17
Growing season
162 days
Hardiness zone
6a
More local growing data for Bay Port: nearby ZIP 48720 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Filion 5Nnw, Mi (16.5 mi from Bay Port). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.