Petoskey, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petoskey, a city in Charlevoix County, Michigan.
This Afternoon
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph.
7-day forecast for Petoskey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 15 mph SW | 1% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 70% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 5 mph NE | 70% |
| Wednesday Night | 57°F | Mostly Cloudy | 0 to 5 mph NE | 14% |
| Thursday | 78°F | Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Friday | 80°F | Sunny | 5 to 10 mph SW | 1% |
| Friday Night | 64°F | Mostly Clear then Chance Rain Showers | 5 to 10 mph SW | 25% |
| Saturday | 76°F | Chance Rain Showers | 10 to 15 mph W | 25% |
| Saturday Night | 61°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 10 mph SW | 30% |
| Sunday | 77°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 30% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 0 to 10 mph NW | 27% |
| Monday | 76°F | Chance Rain Showers | 0 to 10 mph SW | 44% |
| Monday Night | 59°F | Chance Rain Showers | 5 mph N | 44% |
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 Aug 4, 2026.