Bonesteel, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonesteel, a city in Gregory County, South Dakota.
Today
70°F
Chance Rain Showers
A chance of rain showers before 1pm. Mostly cloudy, with a high near 70. North northwest wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bonesteel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Chance Rain Showers | 5 to 15 mph NNW | 26% |
| Tonight | 54°F | Mostly Cloudy | 5 mph WNW | 3% |
| Wednesday | 77°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Wednesday Night | 58°F | Mostly Clear | 10 mph S | 1% |
| Thursday | 85°F | Sunny | 10 to 20 mph S | 7% |
| Thursday Night | 65°F | Mostly Clear | 15 mph S | 7% |
| Friday | 91°F | Sunny | 10 to 15 mph SSW | 7% |
| Friday Night | 67°F | Mostly Clear | 10 mph S | 7% |
| Saturday | 95°F | Sunny | 10 to 20 mph S | 3% |
| Saturday Night | 68°F | Mostly Clear | 10 to 20 mph S | 7% |
| Sunday | 92°F | Mostly Sunny | 10 to 15 mph SE | 3% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 18% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph ENE | 17% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 16% |
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 Aug 4, 2026.