Posen, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Posen, a village in Presque Isle County, Michigan.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. East wind around 0 mph.
7-day forecast for Posen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 66°F | Partly Sunny then Isolated Rain Showers | 5 to 10 mph SE | 15% |
| Saturday Night | 50°F | Scattered Rain Showers | 0 to 10 mph E | 32% |
| Sunday | 66°F | Isolated Rain Showers then Mostly Sunny | 5 to 10 mph N | 19% |
| Sunday Night | 45°F | Partly Cloudy | 10 to 15 mph NE | 1% |
| Monday | 59°F | Mostly Cloudy | 10 to 15 mph NE | 0% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 10 to 15 mph E | 4% |
| Tuesday Night | 46°F | Partly Cloudy | 10 to 15 mph E | 8% |
| Wednesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph E | 24% |
| Wednesday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 22% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 10 mph NE | 6% |
| Friday | 69°F | Mostly Sunny | 5 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov) for Posen (45.262, -83.699). Updated through the day.
Growing snapshot for Posen
Last spring frost
May 13
First fall frost
Oct 3
Growing season
141 days
Hardiness zone
5b
More local growing data for Posen: nearby ZIP 49776 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alpena 10Nw, Mi (6.5 mi from Posen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.