Alexandria, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alexandria, a city in Hanson County, South Dakota.
This Afternoon
68°F
Cloudy
Cloudy, with a high near 68. East wind 5 to 10 mph.
7-day forecast for Alexandria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Cloudy | 5 to 10 mph E | 7% |
| Tonight | 61°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph N | 13% |
| Saturday | 68°F | Patchy Fog then Cloudy | 10 mph N | 16% |
| Saturday Night | 56°F | Cloudy | 5 to 10 mph NNE | 4% |
| Sunday | 65°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 47% |
| Sunday Night | 53°F | Rain Showers Likely | 10 mph ENE | 73% |
| Monday | 62°F | Rain Showers Likely | 10 mph E | 73% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph E | 12% |
| Tuesday | 65°F | Partly Sunny | 5 to 10 mph SE | 3% |
| Tuesday Night | 50°F | Mostly Cloudy | 10 mph SE | 2% |
| Wednesday | 69°F | Partly Sunny | 10 to 15 mph SSE | 14% |
| Wednesday Night | 54°F | Chance Rain Showers | 10 mph SSE | 40% |
| Thursday | 70°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 40% |
| Thursday Night | 55°F | Mostly Cloudy | 10 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Alexandria (43.654, -97.780). Updated through the day.
Growing snapshot for Alexandria
Last spring frost
May 8
First fall frost
Sep 29
Growing season
143 days
Hardiness zone
5a
More local growing data for Alexandria: nearby ZIP 57311 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alexandria, Sd (1.7 mi from Alexandria). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.