Roscoe, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscoe, a city in Edmunds County, South Dakota.
This Afternoon
46°F
Cloudy
Cloudy, with a high near 46. North northwest wind 20 to 23 mph, with gusts as high as 47 mph.
7-day forecast for Roscoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 46°F | Cloudy | 20 to 23 mph NNW | 2% |
| Tonight | 32°F | Cloudy | 13 to 16 mph NNW | 6% |
| Wednesday | 45°F | Mostly Cloudy | 16 to 20 mph NNW | 8% |
| Wednesday Night | 30°F | Mostly Cloudy | 13 to 17 mph NNW | 1% |
| Thursday | 44°F | Mostly Sunny | 8 to 13 mph N | 0% |
| Thursday Night | 24°F | Partly Cloudy | 3 to 7 mph ESE | 0% |
| Friday | 43°F | Mostly Sunny | 5 to 8 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 8 mph SW | 0% |
| Saturday | 55°F | Mostly Sunny | 8 to 16 mph W | 4% |
| Saturday Night | 32°F | Mostly Clear | 8 to 12 mph WNW | 1% |
| Sunday | 56°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 9 to 13 mph SW | 0% |
| Monday | 57°F | Sunny | 12 to 18 mph WNW | 0% |
| Monday Night | 33°F | Partly Cloudy | 9 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Roscoe (45.450, -99.337). Updated through the day.
Growing snapshot for Roscoe
Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
More local growing data for Roscoe: nearby ZIP 57471 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roscoe, Sd (3.4 mi from Roscoe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.