Oacoma, SD Weather & Growing Conditions
Today
70°F
Patchy Smoke then Partly Sunny
Patchy smoke between 7am and 11am. Partly sunny, with a high near 70. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke then Partly Sunny | 5 to 10 mph NW | 9% |
| Tonight | 55°F | Partly Cloudy | 5 mph SW | 2% |
| Wednesday | 79°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 61°F | Partly Cloudy | 10 to 15 mph S | 2% |
| Thursday | 86°F | Mostly Sunny | 5 to 15 mph S | 6% |
| Thursday Night | 65°F | Mostly Clear | 5 to 15 mph S | 7% |
| Friday | 90°F | Sunny | 5 to 10 mph S | 4% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph SE | 4% |
| Saturday | 92°F | Sunny | 5 to 20 mph SSE | 4% |
| Saturday Night | 66°F | Mostly Clear | 10 to 20 mph ESE | 9% |
| Sunday | 89°F | Mostly Sunny | 10 to 15 mph E | 6% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 28% |
| Monday | 87°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph ENE | 28% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 19% |
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 Aug 4, 2026.