Horton Bay, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Horton Bay, a community in Charlevoix County, Michigan.
This Afternoon
68°F
Cloudy
Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. Northeast wind around 5 mph.
7-day forecast for Horton Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Cloudy | 5 mph NE | 0% |
| Tonight | 45°F | Mostly Cloudy | 5 mph E | 4% |
| Saturday | 70°F | Partly Sunny then Isolated Rain Showers | 5 mph SE | 24% |
| Saturday Night | 49°F | Scattered Rain Showers | 0 to 5 mph E | 30% |
| Sunday | 70°F | Isolated Rain Showers then Partly Sunny | 5 to 10 mph NE | 21% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 to 15 mph NE | 3% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph E | 8% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph E | 12% |
| Wednesday Night | 47°F | Partly Cloudy | 5 to 10 mph E | 12% |
| Thursday | 70°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Horton Bay (45.281, -85.075). Updated through the day.
Growing snapshot for Horton Bay
Last spring frost
May 23
First fall frost
Oct 3
Growing season
133 days
Hardiness zone
5b
More local growing data for Horton Bay: nearby ZIP 49712 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boyne Falls, Mi (5.6 mi from Horton Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.