Harman US

Alpha, MN Weather & Growing Conditions

Overnight
61°F
Areas Of Fog
Areas of fog. Cloudy. Low around 61, with temperatures rising to around 65 overnight. East northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Areas Of Fog 5 mph ENE 14%
Saturday 65°F Areas Of Fog 5 to 10 mph NNE 21%
Saturday Night 55°F Patchy Fog 10 mph NNE 12%
Sunday 65°F Mostly Cloudy 10 to 15 mph NE 5%
Sunday Night 51°F Chance Rain Showers 10 mph ENE 32%
Monday 60°F Chance Rain Showers 10 mph ENE 32%
Monday Night 46°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 23%
Tuesday 63°F Mostly Sunny 5 mph E 3%
Tuesday Night 43°F Mostly Clear 0 to 5 mph ESE 1%
Wednesday 65°F Sunny 0 to 5 mph SE 3%
Wednesday Night 49°F Partly Cloudy 5 mph SSE 14%
Thursday 67°F Slight Chance Rain Showers 5 mph SSE 17%
Thursday Night 52°F Partly Cloudy 5 mph SE 7%
Friday 69°F Mostly Sunny 5 to 10 mph SSE 7%

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

Growing snapshot for Alpha, MN

Last spring frost
Apr 28
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
5a

Explore more for Alpha, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Sherburn 3Wsw, Mn (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.