Harman US

Roscoe, SD Weather & Growing Conditions

Tonight
54°F
Areas Of Fog
Areas of fog. Cloudy, with a low around 54. Northeast wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Areas Of Fog 10 mph NE 8%
Saturday 66°F Areas Of Fog 10 to 14 mph NE 4%
Saturday Night 52°F Cloudy then Slight Chance Rain Showers 10 to 14 mph NE 24%
Sunday 63°F Chance Rain Showers 15 mph ENE 39%
Sunday Night 50°F Rain Showers Likely 8 to 14 mph E 58%
Monday 63°F Chance Rain Showers 12 mph E 52%
Monday Night 47°F Mostly Cloudy 10 mph ESE 6%
Tuesday 65°F Partly Sunny 9 to 17 mph SE 4%
Tuesday Night 51°F Mostly Cloudy then Slight Chance Rain Showers 16 mph SE 19%
Wednesday 69°F Slight Chance Rain Showers 18 mph SSE 21%
Wednesday Night 53°F Chance Rain Showers 10 to 17 mph SE 31%
Thursday 71°F Chance Rain Showers then Partly Sunny 12 mph SE 31%
Thursday Night 54°F Partly Cloudy 10 mph SE 11%
Friday 72°F Partly Sunny 9 to 16 mph SE 10%

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.