Harman US

Roscoe, SD Weather & Growing Conditions

Overnight
56°F
Areas Of Fog
Areas of fog and a slight chance of drizzle. Cloudy, with a low around 56. Northeast wind around 7 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Areas Of Fog 7 mph NE 21%
Saturday 65°F Areas Of Fog then Cloudy 8 to 13 mph NE 19%
Saturday Night 52°F Cloudy then Slight Chance Rain Showers 9 to 14 mph NE 23%
Sunday 63°F Chance Rain Showers 16 mph ENE 27%
Sunday Night 49°F Chance Rain Showers 8 to 14 mph ENE 33%
Monday 65°F Chance Rain Showers then Partly Sunny 8 to 12 mph E 33%
Monday Night 45°F Partly Cloudy 10 mph SE 7%
Tuesday 67°F Mostly Sunny 8 to 18 mph SE 4%
Tuesday Night 49°F Mostly Cloudy 17 mph SE 9%
Wednesday 70°F Partly Sunny then Slight Chance Rain Showers 20 mph SSE 15%
Wednesday Night 52°F Chance Rain Showers 12 to 18 mph SE 35%
Thursday 72°F Chance Rain Showers then Partly Sunny 14 mph SE 29%
Thursday Night 53°F Slight Chance Rain Showers 13 mph SE 17%
Friday 73°F Slight Chance Rain Showers then Partly Sunny 10 to 18 mph SE 15%

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 Sep 19, 2026.