Harman US

Platte, SD Weather & Growing Conditions

Today
68°F
Patchy Drizzle then Cloudy
Patchy drizzle and patchy fog before 11am. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. North wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 68°F Patchy Drizzle then Cloudy 10 mph N 11%
Tonight 55°F Cloudy then Slight Chance Rain Showers 10 mph NE 17%
Sunday 63°F Rain Showers Likely 10 to 15 mph NE 65%
Sunday Night 51°F Rain Showers 10 mph ENE 82%
Monday 62°F Rain Showers 10 mph E 82%
Monday Night 47°F Mostly Cloudy 5 to 10 mph ESE 8%
Tuesday 65°F Partly Sunny 10 to 15 mph SE 8%
Tuesday Night 50°F Mostly Cloudy 10 to 15 mph SE 12%
Wednesday 70°F Slight Chance Rain Showers 15 to 20 mph SSE 20%
Wednesday Night 54°F Chance Showers And Thunderstorms 15 mph SSE 43%
Thursday 72°F Chance Showers And Thunderstorms 15 mph SSE 43%
Thursday Night 55°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph SE 16%
Friday 74°F Slight Chance Rain Showers then Partly Sunny 15 mph SE 16%
Friday Night 57°F Mostly Cloudy then Slight Chance Rain Showers 15 mph SE 20%

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 Sep 19, 2026.