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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.

Tonight
35°F
Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy. Low around 35, with temperatures rising to around 38 overnight. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

7-day forecast for Platte Colony

WhenTempForecastWindPrecip
Tonight 35°F Cloudy then Slight Chance Rain Showers 15 to 20 mph NW 18%
Wednesday 46°F Chance Rain Showers 15 to 20 mph NW 32%
Wednesday Night 34°F Mostly Cloudy 15 mph NW 6%
Thursday 49°F Partly Sunny 10 to 15 mph NNW 2%
Thursday Night 28°F Partly Cloudy 0 to 5 mph ENE 0%
Friday 50°F Mostly Sunny 5 mph SSE 0%
Friday Night 31°F Partly Cloudy 5 mph SSW 0%
Saturday 60°F Sunny 5 to 10 mph W 6%
Saturday Night 35°F Mostly Clear 5 to 10 mph W 2%
Sunday 62°F Sunny 5 to 10 mph SW 0%
Sunday Night 40°F Mostly Clear 10 mph SSW 0%
Monday 61°F Sunny 10 to 15 mph NW 0%
Monday Night 37°F Mostly Clear 5 mph W 0%
Tuesday 60°F Mostly Sunny 5 to 10 mph S 0%

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

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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 Nov 4, 2026.