Presque Isle Harbor, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Presque Isle Harbor, a community in Presque Isle County, Michigan.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast for Presque Isle Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 to 10 mph SW | 1% |
| Tonight | 65°F | Mostly Cloudy then Showers And Thunderstorms Likely | 0 to 10 mph W | 57% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 5 mph NW | 60% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 44% |
| Thursday | 78°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NE | 44% |
| Thursday Night | 62°F | Mostly Clear | 5 mph S | 8% |
| Friday | 83°F | Sunny | 5 to 10 mph S | 5% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 5% |
| Saturday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 35% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 45% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 5 mph W | 45% |
| Monday | 79°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph NW | 31% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 mph NW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Presque Isle Harbor (45.324, -83.490). Updated through the day.
Growing snapshot for Presque Isle Harbor
Last spring frost
May 13
First fall frost
Oct 3
Growing season
141 days
Hardiness zone
6a
More local growing data for Presque Isle Harbor: nearby ZIP 49777 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alpena 10Nw, Mi (10.1 mi from Presque Isle Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.