Onekama, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onekama, a village in Manistee County, Michigan.
Tonight
47°F
Scattered Rain Showers
Scattered rain showers after 8pm. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Onekama
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Scattered Rain Showers | 5 mph E | 54% |
| Saturday | 67°F | Chance Rain Showers | 5 to 10 mph E | 55% |
| Saturday Night | 48°F | Chance Rain Showers | 0 to 5 mph E | 55% |
| Sunday | 69°F | Isolated Rain Showers then Partly Sunny | 5 to 10 mph NE | 24% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 66°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Monday Night | 43°F | Mostly Cloudy | 5 mph NE | 1% |
| Tuesday | 66°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph E | 13% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 14% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph E | 12% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 2% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Onekama (44.366, -86.202). Updated through the day.
Growing snapshot for Onekama
Last spring frost
May 7
First fall frost
Oct 20
Growing season
163 days
Hardiness zone
6b
More local growing data for Onekama: nearby ZIP 49675 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Beulah 7Ssw, Mi (11.2 mi from Onekama). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.