Petoskey, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petoskey, a city in Charlevoix County, Michigan.
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. South wind 10 to 15 mph. Chance of precipitation is 30%.
7-day forecast for Petoskey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 10 to 15 mph S | 30% |
| Tonight | 60°F | Chance Rain Showers | 10 mph S | 38% |
| Wednesday | 68°F | Rain Showers | 10 mph S | 84% |
| Wednesday Night | 49°F | Rain Showers Likely | 10 mph SW | 74% |
| Thursday | 54°F | Rain Showers | 5 to 10 mph SW | 96% |
| Thursday Night | 38°F | Rain Showers | 5 to 15 mph N | 96% |
| Friday | 46°F | Chance Rain Showers | 10 to 15 mph NE | 53% |
| Friday Night | 36°F | Chance Rain Showers then Partly Cloudy | 5 to 10 mph N | 32% |
| Saturday | 47°F | Mostly Sunny | 5 to 10 mph NW | 6% |
| Saturday Night | 39°F | Partly Cloudy | 5 mph W | 8% |
| Sunday | 50°F | Slight Chance Rain Showers | 10 to 15 mph W | 23% |
| Sunday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NW | 23% |
| Monday | 53°F | Mostly Sunny | 10 to 15 mph W | 12% |
| Monday Night | 43°F | Partly Cloudy | 10 to 15 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Petoskey (45.365, -85.011). Updated through the day.
Growing snapshot for Petoskey
Last spring frost
May 16
First fall frost
Oct 9
Growing season
147 days
Hardiness zone
5b
More local growing data for Petoskey: nearby ZIP 49796 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Petoskey Ncmc, Mi (6.2 mi from Petoskey). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.