Harman US

Alpha, MI Weather & Growing Conditions

Today
78°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms between noon and 3pm. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Today 78°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 10 mph W 26%
Tonight 52°F Mostly Cloudy 0 to 5 mph N 11%
Wednesday 75°F Mostly Sunny 0 to 5 mph NW 2%
Wednesday Night 50°F Partly Cloudy 0 to 5 mph S 1%
Thursday 81°F Sunny 0 to 5 mph SW 1%
Thursday Night 58°F Mostly Clear 5 mph SW 1%
Friday 85°F Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 15%
Friday Night 60°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 mph SW 33%
Saturday 81°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph W 25%
Saturday Night 58°F Chance Showers And Thunderstorms 0 to 5 mph W 46%
Sunday 79°F Chance Showers And Thunderstorms 5 to 10 mph W 46%
Sunday Night 55°F Chance Showers And Thunderstorms 0 to 5 mph NW 34%
Monday 78°F Slight Chance Rain Showers 0 to 5 mph NW 24%
Monday Night 54°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 0 to 5 mph N 24%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Alpha, MI

Last spring frost
May 24
First fall frost
Sep 25
Growing season
121 days
Hardiness zone
4b

Explore more for Alpha, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Florence, Wi (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.