Bon Homme Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bon Homme Colony, a community in Bon Homme County, South Dakota.
Today
72°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 7am, then patchy smoke and a slight chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. North northwest wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bon Homme Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke | 5 to 15 mph NNW | 49% |
| Tonight | 55°F | Mostly Cloudy | 0 to 5 mph W | 12% |
| Wednesday | 78°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Wednesday Night | 58°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 85°F | Sunny | 5 to 15 mph S | 2% |
| Thursday Night | 65°F | Mostly Clear | 10 to 15 mph S | 7% |
| Friday | 91°F | Sunny | 10 mph SSW | 6% |
| Friday Night | 67°F | Mostly Clear | 5 to 10 mph S | 11% |
| Saturday | 94°F | Sunny | 5 to 15 mph S | 4% |
| Saturday Night | 70°F | Mostly Clear | 10 to 20 mph S | 14% |
| Sunday | 93°F | Sunny | 10 to 15 mph SSE | 6% |
| Sunday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 17% |
| Monday | 92°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 22% |
Forecast source: National Weather Service (api.weather.gov) for Bon Homme Colony (42.865, -97.705). Updated through the day.
Growing snapshot for Bon Homme Colony
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
More local growing data for Bon Homme Colony: nearby ZIP 57063 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tyndall, Sd (10.3 mi from Bon Homme Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.