Harman US

Bonesteel, SD Weather & Growing Conditions

This Afternoon
46°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. High near 46, with temperatures falling to around 43 in the afternoon. Northwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 46°F Slight Chance Rain Showers 25 mph NW 20%
Tonight 36°F Cloudy 20 to 25 mph NW 11%
Wednesday 45°F Chance Rain Showers 15 to 25 mph NW 37%
Wednesday Night 36°F Slight Chance Rain Showers then Mostly Cloudy 15 to 20 mph NW 16%
Thursday 48°F Partly Sunny 10 to 15 mph NNW 3%
Thursday Night 30°F Partly Cloudy 0 to 5 mph N 0%
Friday 49°F Mostly Sunny 0 to 5 mph S 0%
Friday Night 33°F Partly Cloudy 5 mph SSW 0%
Saturday 60°F Sunny 5 to 10 mph W 4%
Saturday Night 37°F Mostly Clear 5 to 10 mph W 3%
Sunday 62°F Sunny 5 to 10 mph SW 0%
Sunday Night 42°F Mostly Clear 10 to 15 mph SW 0%
Monday 61°F Sunny 10 to 15 mph WNW 0%
Monday Night 39°F Mostly Clear 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bonesteel, SD

Last spring frost
May 3
First fall frost
Oct 10
Growing season
159 days
Hardiness zone
5a

Explore more for Bonesteel, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Bonesteel, Sd (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.