Onaway, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onaway, a city in Presque Isle County, Michigan.
This Afternoon
72°F
Slight Chance Rain Showers
A slight chance of rain showers before 5pm. Cloudy, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Onaway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Slight Chance Rain Showers | 10 mph SW | 16% |
| Tonight | 56°F | Slight Chance Rain Showers | 5 to 10 mph S | 19% |
| Wednesday | 70°F | Rain Showers Likely | 10 to 15 mph S | 72% |
| Wednesday Night | 47°F | Rain Showers Likely then Mostly Cloudy | 5 to 10 mph S | 69% |
| Thursday | 55°F | Rain Showers | 5 to 10 mph SW | 89% |
| Thursday Night | 34°F | Rain Showers | 5 to 10 mph NW | 94% |
| Friday | 46°F | Chance Rain And Snow Showers | 10 to 15 mph N | 75% |
| Friday Night | 30°F | Chance Rain Showers | 5 to 10 mph N | 31% |
| Saturday | 49°F | Mostly Sunny | 5 mph NW | 10% |
| Saturday Night | 29°F | Partly Cloudy | 5 mph W | 7% |
| Sunday | 53°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Sunday Night | 32°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 19% |
| Monday | 55°F | Partly Sunny | 5 to 10 mph W | 8% |
| Monday Night | 35°F | Mostly Cloudy | 5 to 10 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Onaway (45.359, -84.227). Updated through the day.
Growing snapshot for Onaway
Last spring frost
May 22
First fall frost
Oct 2
Growing season
135 days
Hardiness zone
5a
More local growing data for Onaway: nearby ZIP 49765 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Onaway 4N, Mi (5.3 mi from Onaway). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.