Edgemont, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgemont, a city in Fall River County, South Dakota.
Tonight
29°F
Clear
Clear, with a low around 29. West wind 5 to 8 mph, with gusts as high as 16 mph.
7-day forecast for Edgemont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 29°F | Clear | 5 to 8 mph W | 0% |
| Wednesday | 54°F | Mostly Sunny | 5 to 8 mph W | 0% |
| Wednesday Night | 32°F | Mostly Cloudy | 2 to 8 mph NW | 0% |
| Thursday | 57°F | Mostly Sunny | 3 to 8 mph W | 0% |
| Thursday Night | 34°F | Partly Cloudy | 2 to 8 mph W | 0% |
| Friday | 56°F | Mostly Sunny | 5 to 13 mph W | 0% |
| Friday Night | 33°F | Mostly Clear | 3 to 9 mph W | 4% |
| Saturday | 58°F | Sunny | 8 to 18 mph NW | 3% |
| Saturday Night | 33°F | Mostly Clear | 6 mph W | 0% |
| Sunday | 65°F | Sunny | 7 mph W | 0% |
| Sunday Night | 40°F | Mostly Clear | 7 to 13 mph W | 0% |
| Monday | 61°F | Sunny | 9 mph SW | 0% |
| Monday Night | 38°F | Partly Cloudy | 8 mph NE | 0% |
| Tuesday | 63°F | Mostly Sunny | 8 to 13 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Edgemont (43.297, -103.832). Updated through the day.
Growing snapshot for Edgemont
Last spring frost
May 23
First fall frost
Sep 20
Growing season
117 days
Hardiness zone
4b
More local growing data for Edgemont: nearby ZIP 57735 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Edgemont, Sd (2.4 mi from Edgemont). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.