Harman US

Platte, SD Weather & Growing Conditions

Tonight
35°F
Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 4am. 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

WhenTempForecastWindPrecip
Tonight 35°F Cloudy then Slight Chance Rain Showers 15 to 20 mph NW 22%
Wednesday 47°F Chance Rain Showers 15 to 20 mph NW 39%
Wednesday Night 34°F Mostly Cloudy 15 mph NW 8%
Thursday 49°F Partly Sunny 10 to 15 mph NNW 3%
Thursday Night 28°F Partly Cloudy 0 to 5 mph ENE 0%
Friday 50°F Mostly Sunny 0 to 5 mph SSE 0%
Friday Night 30°F Partly Cloudy 5 mph SSW 0%
Saturday 60°F Sunny 5 to 10 mph W 5%
Saturday Night 34°F Mostly Clear 5 mph W 3%
Sunday 62°F Sunny 5 to 10 mph SW 0%
Sunday Night 40°F Mostly Clear 10 mph SSW 0%
Monday 62°F Sunny 10 to 15 mph NW 0%
Monday Night 36°F Mostly Clear 5 mph WNW 0%
Tuesday 60°F Mostly Sunny 5 to 10 mph S 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Platte, SD

Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5a

Explore more for Platte, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Academy 2Ne, Sd (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.