Oacoma, SD Weather & Growing Conditions
Tonight
37°F
Cloudy
Cloudy, with a low around 37. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Cloudy | 13 to 17 mph NW | 10% |
| Wednesday | 48°F | Chance Light Rain | 16 to 20 mph NW | 29% |
| Wednesday Night | 35°F | Mostly Cloudy | 10 to 14 mph NW | 10% |
| Thursday | 50°F | Mostly Sunny | 8 to 13 mph NNW | 0% |
| Thursday Night | 29°F | Partly Cloudy | 2 to 6 mph E | 0% |
| Friday | 50°F | Mostly Sunny | 2 to 7 mph SSE | 0% |
| Friday Night | 31°F | Partly Cloudy | 3 mph S | 0% |
| Saturday | 60°F | Mostly Sunny | 3 to 12 mph W | 5% |
| Saturday Night | 34°F | Mostly Clear | 3 to 7 mph W | 1% |
| Sunday | 63°F | Sunny | 3 to 9 mph SSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 8 mph SSW | 0% |
| Monday | 62°F | Sunny | 8 to 16 mph NW | 0% |
| Monday Night | 36°F | Partly Cloudy | 6 mph W | 0% |
| Tuesday | 60°F | Mostly Sunny | 3 to 8 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oacoma, SD
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
Explore more for Oacoma, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Chamberlain Muni Ap, Sd (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.