Bonesteel, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonesteel, a city in Gregory County, South Dakota.
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. Northwest wind around 5 mph.
7-day forecast for Bonesteel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 5 mph NW | 1% |
| Tonight | 60°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph NNW | 6% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 mph N | 14% |
| Saturday Night | 56°F | Slight Chance Rain Showers | 10 mph NNE | 19% |
| Sunday | 61°F | Rain Showers | 10 mph NE | 77% |
| Sunday Night | 53°F | Rain Showers | 10 mph ENE | 83% |
| Monday | 59°F | Rain Showers | 10 mph ENE | 83% |
| Monday Night | 49°F | Mostly Cloudy | 5 to 10 mph E | 13% |
| Tuesday | 64°F | Mostly Cloudy | 5 to 15 mph SE | 11% |
| Tuesday Night | 52°F | Mostly Cloudy | 10 to 15 mph SE | 11% |
| Wednesday | 69°F | Slight Chance Rain Showers | 15 to 20 mph SSE | 24% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 40% |
| Thursday | 70°F | Chance Rain Showers | 10 mph SSE | 40% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Bonesteel (43.078, -98.947). Updated through the day.
Growing snapshot for Bonesteel
Last spring frost
May 3
First fall frost
Oct 10
Growing season
159 days
Hardiness zone
5a
More local growing data for Bonesteel: nearby ZIP 57317 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bonesteel, Sd (4.6 mi from Bonesteel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.