Plankinton, SD Weather & Growing Conditions
Tonight
59°F
Cloudy
Cloudy, with a low around 59. North wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Cloudy | 5 to 10 mph N | 12% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 to 15 mph N | 11% |
| Saturday Night | 55°F | Cloudy | 10 to 15 mph NNE | 12% |
| Sunday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 53% |
| Sunday Night | 53°F | Rain Showers | 10 mph ENE | 84% |
| Monday | 61°F | Rain Showers | 10 mph ENE | 84% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph E | 9% |
| Tuesday | 65°F | Mostly Cloudy | 5 to 15 mph SE | 9% |
| Tuesday Night | 51°F | Mostly Cloudy | 10 to 15 mph SE | 10% |
| Wednesday | 69°F | Slight Chance Rain Showers | 15 mph SSE | 23% |
| Wednesday Night | 55°F | Chance Rain Showers | 15 mph SSE | 41% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 10 to 15 mph SSE | 41% |
| Thursday Night | 56°F | Mostly Cloudy | 10 mph SE | 9% |
| Friday | 71°F | Partly Sunny | 10 to 15 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plankinton, SD
Last spring frost
May 3
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
5a
Explore more for Plankinton, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, White Lake, Sd (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.