Lake Preston, SD Weather & Growing Conditions
Today
64°F
Patchy Fog then Cloudy
Patchy fog before noon. Cloudy, with a high near 64. North northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Patchy Fog then Cloudy | 10 mph NNE | 7% |
| Tonight | 51°F | Patchy Fog then Mostly Cloudy | 10 mph NE | 6% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Sunday Night | 48°F | Chance Rain Showers | 10 to 15 mph ENE | 34% |
| Monday | 62°F | Chance Rain Showers | 10 mph E | 34% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 10 mph E | 8% |
| Tuesday | 64°F | Mostly Sunny | 5 to 15 mph SE | 2% |
| Tuesday Night | 45°F | Partly Cloudy | 10 mph SE | 1% |
| Wednesday | 66°F | Mostly Sunny | 10 to 15 mph SSE | 9% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 mph SSE | 32% |
| Thursday | 69°F | Chance Rain Showers | 10 to 15 mph SSE | 32% |
| Thursday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SSE | 15% |
| Friday | 71°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph SE | 15% |
| Friday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SSE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Preston, SD
Last spring frost
May 5
First fall frost
Oct 4
Growing season
151 days
Hardiness zone
4b
Explore more for Lake Preston, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, De Smet, Sd (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.