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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.