Platte Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Platte Colony, a community in Charles Mix County, South Dakota.
This Afternoon
74°F
Mostly Cloudy
Mostly cloudy, with a high near 74. Northwest wind around 5 mph.
7-day forecast for Platte Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Cloudy | 5 mph NW | 1% |
| Tonight | 60°F | Patchy Fog | 5 to 10 mph N | 5% |
| Saturday | 67°F | Patchy Fog then Cloudy | 10 mph N | 22% |
| Saturday Night | 56°F | Cloudy | 10 mph NE | 14% |
| Sunday | 62°F | Rain Showers Likely | 10 to 15 mph ENE | 68% |
| Sunday Night | 53°F | Rain Showers | 10 mph ENE | 88% |
| Monday | 60°F | Rain Showers | 10 mph ENE | 88% |
| Monday Night | 49°F | Mostly Cloudy | 5 to 10 mph E | 10% |
| Tuesday | 66°F | Mostly Cloudy | 10 to 15 mph SE | 10% |
| Tuesday Night | 53°F | Mostly Cloudy | 15 mph SE | 13% |
| Wednesday | 70°F | Chance Rain Showers | 15 to 20 mph SSE | 29% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 15 mph SSE | 38% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 10 mph SSE | 38% |
| Thursday Night | 57°F | Partly Cloudy | 10 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Platte Colony (43.468, -99.126). Updated through the day.
Growing snapshot for Platte Colony
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5a
More local growing data for Platte Colony: nearby ZIP 57369 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Bijou Hills
Cedar Grove Colony
Dante
Geddes
Lake Andes
Lakeview Colony
Marty
Pickstown
Platte
Ravinia
Wagner
Climate data from the nearest NOAA station, Academy 2Ne, Sd (7.3 mi from Platte Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.