Bay Port, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bay Port, a community in Huron County, Michigan.
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southwest wind around 14 mph, with gusts as high as 23 mph.
7-day forecast for Bay Port
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 14 mph SSW | 2% |
| Tonight | 58°F | Mostly Cloudy | 8 to 12 mph S | 4% |
| Wednesday | 69°F | Light Rain | 9 to 16 mph S | 85% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 8 to 14 mph SSW | 75% |
| Thursday | 58°F | Mostly Cloudy then Chance Light Rain | 10 to 15 mph SW | 40% |
| Thursday Night | 42°F | Light Rain Likely | 5 to 9 mph W | 64% |
| Friday | 51°F | Light Rain Likely | 6 to 15 mph N | 65% |
| Friday Night | 37°F | Light Rain Likely | 10 to 14 mph N | 56% |
| Saturday | 50°F | Chance Light Rain then Partly Sunny | 7 to 10 mph NW | 25% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph W | 6% |
| Sunday | 54°F | Mostly Sunny then Slight Chance Light Rain | 7 to 13 mph W | 17% |
| Sunday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 7 to 10 mph WNW | 17% |
| Monday | 54°F | Mostly Sunny | 9 to 15 mph W | 11% |
| Monday Night | 39°F | Partly Cloudy | 13 mph WSW | 11% |
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 Nov 3, 2026.