Bancroft, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bancroft, a town in Kingsbury County, South Dakota.
Tonight
57°F
Patchy Fog
Patchy fog. Cloudy, with a low around 57. Northeast wind 5 to 10 mph.
7-day forecast for Bancroft
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Patchy Fog | 5 to 10 mph NE | 11% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 to 15 mph NE | 9% |
| Saturday Night | 53°F | Mostly Cloudy | 10 to 15 mph NE | 1% |
| Sunday | 64°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph ENE | 31% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 50% |
| Monday | 61°F | Chance Rain Showers | 10 mph E | 50% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 10 mph E | 5% |
| Tuesday | 65°F | Partly Sunny | 10 mph SE | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 10 to 15 mph SE | 5% |
| Wednesday | 68°F | Partly Sunny | 15 mph SSE | 12% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 to 15 mph SSE | 32% |
| Thursday | 69°F | Chance Rain Showers | 10 to 15 mph SSE | 32% |
| Thursday Night | 54°F | Mostly Cloudy | 5 to 10 mph SE | 10% |
| Friday | 71°F | Partly Sunny | 10 to 15 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Bancroft (44.489, -97.751). Updated through the day.
Growing snapshot for Bancroft
Last spring frost
May 5
First fall frost
Oct 4
Growing season
151 days
Hardiness zone
4b
More local growing data for Bancroft: nearby ZIP 57353 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, De Smet, Sd (14.1 mi from Bancroft). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.