Alpena, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpena, a town in Beadle County, South Dakota.
Tonight
58°F
Cloudy
Cloudy, with a low around 58. North wind 5 to 10 mph.
7-day forecast for Alpena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Cloudy | 5 to 10 mph N | 13% |
| Saturday | 67°F | Patchy Fog then Cloudy | 10 mph NNE | 11% |
| Saturday Night | 54°F | Cloudy | 5 to 10 mph NNE | 9% |
| Sunday | 64°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 45% |
| Sunday Night | 52°F | Rain Showers Likely | 5 to 10 mph ENE | 70% |
| Monday | 62°F | Rain Showers Likely | 10 mph E | 70% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 10 mph ESE | 7% |
| Tuesday | 66°F | Partly Sunny | 5 to 15 mph SE | 5% |
| Tuesday Night | 50°F | Mostly Cloudy | 10 to 15 mph SE | 8% |
| Wednesday | 69°F | Slight Chance Rain Showers | 15 mph SSE | 21% |
| Wednesday Night | 54°F | Chance Rain Showers | 10 to 15 mph SSE | 37% |
| Thursday | 70°F | Chance Rain Showers then Partly Sunny | 10 mph SSE | 37% |
| Thursday Night | 54°F | Mostly Cloudy | 10 mph SE | 8% |
| Friday | 72°F | Partly Sunny | 10 to 15 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Alpena (44.183, -98.368). Updated through the day.
Growing snapshot for Alpena
Last spring frost
May 2
First fall frost
Oct 8
Growing season
157 days
Hardiness zone
4b
More local growing data for Alpena: nearby ZIP 57312 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Broadland
Cavour
Hitchcock
Huron
Huron Colony
Morningside
Riverside Colony
Shamrock Colony
Virgil
Wolsey
Yale
Climate data from the nearest NOAA station, Wessington Springs, Sd (12.3 mi from Alpena). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.