Okaton, SD Weather & Growing Conditions
Today
73°F
Patchy Smoke then Mostly Sunny
Patchy smoke between 8am and 11am. Mostly sunny, with a high near 73. Northwest wind 7 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke then Mostly Sunny | 7 to 12 mph NW | 9% |
| Tonight | 54°F | Partly Cloudy | 7 to 10 mph SSW | 2% |
| Wednesday | 83°F | Mostly Sunny | 8 to 12 mph SSW | 2% |
| Wednesday Night | 60°F | Mostly Clear | 10 to 17 mph S | 3% |
| Thursday | 91°F | Sunny | 9 to 14 mph SW | 3% |
| Thursday Night | 64°F | Mostly Clear | 13 mph SSE | 3% |
| Friday | 93°F | Sunny | 13 mph NNW | 2% |
| Friday Night | 65°F | Mostly Clear | 14 mph SE | 2% |
| Saturday | 96°F | Sunny | 13 to 17 mph NNW | 2% |
| Saturday Night | 64°F | Mostly Clear | 10 to 15 mph E | 4% |
| Sunday | 92°F | Mostly Sunny | 10 to 20 mph ESE | 6% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 15 to 20 mph E | 31% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms | 14 to 18 mph ENE | 23% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 15 to 18 mph E | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Okaton, SD
Last spring frost
May 3
First fall frost
Oct 9
Growing season
158 days
Hardiness zone
5a
Explore more for Okaton, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Murdo, Sd (12.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.