Onekama, MI Weather & Growing Conditions
Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. South wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 to 15 mph S | 0% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 65% |
| Wednesday | 75°F | Chance Showers And Thunderstorms | 5 mph NW | 48% |
| Wednesday Night | 58°F | Slight Chance Rain Showers | 0 to 5 mph N | 20% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph E | 16% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Friday | 80°F | Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph SW | 8% |
| Saturday | 80°F | Sunny | 5 to 10 mph SW | 14% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 41% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 56% |
| Monday | 78°F | Chance Rain Showers | 5 mph NW | 33% |
| Monday Night | 60°F | Chance Rain Showers | 5 mph NW | 43% |
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 Aug 4, 2026.