Oacoma, SD Weather & Growing Conditions
Today
49°F
Chance Rain Showers
A chance of rain showers before 3pm. Mostly cloudy, with a high near 49. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Chance Rain Showers | 15 to 20 mph NW | 30% |
| Tonight | 37°F | Mostly Cloudy | 10 to 15 mph NW | 2% |
| Thursday | 49°F | Partly Sunny | 5 to 10 mph NNW | 0% |
| Thursday Night | 28°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Friday | 49°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 32°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 59°F | Sunny | 5 to 10 mph WSW | 0% |
| Saturday Night | 36°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 60°F | Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 41°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 62°F | Sunny | 5 to 10 mph WNW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 60°F | Mostly Sunny | 0 to 10 mph SSW | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 5 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 (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.