Plankinton, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plankinton, a city in Aurora County, South Dakota.
Overnight
59°F
Patchy Fog
Patchy fog. Cloudy. Low around 59, with temperatures rising to around 62 overnight. North wind around 10 mph.
7-day forecast for Plankinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Patchy Fog | 10 mph N | 11% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 to 15 mph N | 15% |
| Saturday Night | 54°F | Cloudy then Slight Chance Rain Showers | 10 to 15 mph NNE | 17% |
| Sunday | 64°F | Cloudy then Chance Rain Showers | 10 to 15 mph NE | 39% |
| Sunday Night | 51°F | Rain Showers | 10 to 15 mph ENE | 79% |
| Monday | 61°F | Rain Showers | 10 mph E | 79% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph ESE | 6% |
| Tuesday | 65°F | Partly Sunny | 5 to 15 mph SE | 6% |
| Tuesday Night | 51°F | Mostly Cloudy | 10 to 15 mph SE | 10% |
| Wednesday | 69°F | Slight Chance Rain Showers | 15 to 20 mph SSE | 24% |
| 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 | Partly Cloudy | 10 mph SE | 9% |
| Friday | 72°F | Partly Sunny | 10 to 15 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Plankinton (43.715, -98.484). Updated through the day.
Growing snapshot for Plankinton
Last spring frost
May 3
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
5a
More local growing data for Plankinton: nearby ZIP 57368 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, White Lake, Sd (10.9 mi from Plankinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.