Harman US

Roscoe, SD Weather & Growing Conditions

This Afternoon
46°F
Cloudy
Cloudy. High near 46, with temperatures falling to around 43 in the afternoon. North northwest wind 21 to 24 mph, with gusts as high as 46 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 46°F Cloudy 21 to 24 mph NNW 4%
Tonight 32°F Cloudy 13 to 18 mph NNW 8%
Wednesday 45°F Mostly Cloudy 16 to 20 mph NNW 10%
Wednesday Night 30°F Mostly Cloudy 13 to 17 mph NNW 2%
Thursday 44°F Mostly Sunny 8 to 12 mph N 0%
Thursday Night 24°F Partly Cloudy 3 to 7 mph ESE 0%
Friday 43°F Partly Sunny 5 to 8 mph S 0%
Friday Night 28°F Partly Cloudy 8 mph SW 0%
Saturday 55°F Mostly Sunny 8 to 15 mph W 4%
Saturday Night 32°F Mostly Clear 8 to 12 mph WNW 1%
Sunday 57°F Sunny 10 mph SSW 0%
Sunday Night 36°F Mostly Clear 9 to 13 mph SW 0%
Monday 57°F Sunny 12 to 17 mph WNW 0%
Monday Night 33°F Partly Cloudy 9 mph WNW 0%

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

Growing snapshot for Roscoe, SD

Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Roscoe, Sd (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.