Petoskey, MI Weather & Growing Conditions
Tonight
50°F
Isolated Rain Showers
Isolated rain showers. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Isolated Rain Showers | 5 mph E | 16% |
| Sunday | 65°F | Isolated Rain Showers then Mostly Sunny | 5 to 10 mph NE | 15% |
| Sunday Night | 44°F | Mostly Cloudy | 10 mph NE | 0% |
| Monday | 58°F | Mostly Cloudy | 10 mph E | 0% |
| Monday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 61°F | Mostly Sunny | 5 to 15 mph E | 1% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 15 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph E | 5% |
| Wednesday Night | 46°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 10 mph E | 2% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 2% |
| Friday Night | 47°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Saturday | 71°F | Sunny | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Petoskey, MI
Last spring frost
May 16
First fall frost
Oct 9
Growing season
147 days
Hardiness zone
5b
Explore more for Petoskey, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Petoskey Ncmc, Mi (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.