Okaton, SD Weather & Growing Conditions
This Afternoon
73°F
Cloudy
Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Cloudy | 8 mph N | 0% |
| Tonight | 56°F | Patchy Fog | 10 mph NNE | 7% |
| Saturday | 66°F | Patchy Fog then Slight Chance Light Rain | 13 mph NE | 21% |
| Saturday Night | 53°F | Rain Showers | 14 mph ENE | 82% |
| Sunday | 61°F | Rain Showers | 16 mph E | 92% |
| Sunday Night | 51°F | Rain Showers | 15 mph ENE | 92% |
| Monday | 63°F | Rain Showers | 15 mph E | 86% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph ESE | 18% |
| Tuesday | 70°F | Partly Sunny | 15 to 24 mph SE | 13% |
| Tuesday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 23 mph SE | 16% |
| Wednesday | 76°F | Slight Chance Rain Showers | 23 mph SSE | 16% |
| Wednesday Night | 56°F | Slight Chance Showers And Thunderstorms | 13 to 22 mph SSE | 24% |
| Thursday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 13 mph SSE | 18% |
| Thursday Night | 56°F | Partly Cloudy | 12 to 15 mph SE | 10% |
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 Sep 19, 2026.