Onekama, MI Weather & Growing Conditions
This Afternoon
69°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms Likely | 10 mph S | 60% |
| Tonight | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph S | 66% |
| Wednesday | 67°F | Rain Showers | 10 mph S | 90% |
| Wednesday Night | 45°F | Rain Showers Likely | 10 mph SW | 67% |
| Thursday | 54°F | Rain Showers | 5 to 10 mph SW | 95% |
| Thursday Night | 37°F | Rain Showers | 5 to 10 mph N | 95% |
| Friday | 50°F | Chance Rain Showers | 10 mph N | 43% |
| Friday Night | 33°F | Chance Rain Showers then Mostly Cloudy | 5 mph N | 27% |
| Saturday | 50°F | Mostly Sunny | 5 mph NW | 7% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 11% |
| Sunday | 54°F | Slight Chance Rain Showers | 5 to 10 mph W | 20% |
| Sunday Night | 37°F | Slight Chance Rain Showers | 5 mph NW | 20% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Onekama, MI
Last spring frost
May 7
First fall frost
Oct 20
Growing season
163 days
Hardiness zone
6b
Explore more for Onekama, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Beulah 7Ssw, Mi (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.