Alpha, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpha, a village in Iron County, Michigan.
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. Southeast wind around 5 mph.
7-day forecast for Alpha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 5 mph SE | 11% |
| Tonight | 43°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph SE | 21% |
| Saturday | 63°F | Chance Light Rain | 5 mph E | 32% |
| Saturday Night | 44°F | Mostly Cloudy | 0 to 5 mph NE | 8% |
| Sunday | 64°F | Partly Sunny | 5 to 10 mph N | 0% |
| Sunday Night | 38°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 5 mph E | 1% |
| Monday Night | 34°F | Partly Cloudy then Patchy Frost | 0 to 5 mph NE | 1% |
| Tuesday | 63°F | Patchy Frost then Mostly Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph E | 4% |
| Wednesday | 65°F | Sunny | 0 to 5 mph E | 4% |
| Wednesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov) for Alpha (46.044, -88.378). Updated through the day.
Growing snapshot for Alpha
Last spring frost
May 24
First fall frost
Sep 25
Growing season
121 days
Hardiness zone
4b
More local growing data for Alpha: nearby ZIP 49902 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Florence, Wi (9.9 mi from Alpha). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.