Horton Bay, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Horton Bay, a community in Charlevoix County, Michigan.
Overnight
59°F
Mostly Cloudy
Mostly cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 5 mph.
7-day forecast for Horton Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Cloudy | 5 mph S | 10% |
| Wednesday | 70°F | Rain Showers | 10 mph S | 90% |
| Wednesday Night | 46°F | Rain Showers | 10 to 15 mph SW | 83% |
| Thursday | 54°F | Rain Showers | 10 to 15 mph W | 94% |
| Thursday Night | 33°F | Rain Showers | 15 mph N | 94% |
| Friday | 46°F | Rain Showers Likely | 10 to 15 mph N | 63% |
| Friday Night | 31°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 44% |
| Saturday | 48°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 7% |
| Sunday | 51°F | Slight Chance Rain Showers | 5 to 15 mph W | 24% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 5 to 10 mph NW | 24% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Monday Night | 39°F | Mostly Cloudy | 10 mph W | 10% |
| Tuesday | 54°F | Mostly Sunny | 10 to 15 mph NW | 12% |
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 Nov 4, 2026.