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.
This Afternoon
63°F
Mostly Cloudy
Mostly cloudy. High near 63, with temperatures falling to around 61 in the afternoon. Northeast wind around 5 mph.
7-day forecast for Presque Isle Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Cloudy | 5 mph NE | 0% |
| Tonight | 49°F | Mostly Cloudy | 0 to 5 mph E | 1% |
| Saturday | 64°F | Partly Sunny | 5 to 10 mph SE | 12% |
| Saturday Night | 51°F | Scattered Rain Showers | 5 to 10 mph E | 32% |
| Sunday | 65°F | Isolated Rain Showers then Mostly Sunny | 5 to 10 mph N | 20% |
| Sunday Night | 48°F | Partly Cloudy | 10 to 15 mph NE | 1% |
| Monday | 60°F | Partly Sunny | 10 to 15 mph NE | 0% |
| Monday Night | 49°F | Mostly Cloudy | 10 mph E | 0% |
| Tuesday | 61°F | Mostly Sunny | 10 to 15 mph E | 4% |
| Tuesday Night | 50°F | Partly Cloudy | 10 to 15 mph E | 9% |
| Wednesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph E | 24% |
| Wednesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph E | 23% |
| Thursday | 64°F | Partly Sunny | 5 to 10 mph E | 11% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph NE | 6% |
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 Sep 18, 2026.