Bancroft, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bancroft, a town in Kingsbury County, South Dakota.
Tonight
35°F
Rain Showers
Rain showers. Cloudy. Low around 35, with temperatures rising to around 39 overnight. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bancroft
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Rain Showers | 15 to 20 mph NNW | 88% |
| Wednesday | 44°F | Rain Showers | 15 to 20 mph NW | 92% |
| Wednesday Night | 32°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NNW | 21% |
| Thursday | 44°F | Partly Sunny | 10 to 15 mph N | 2% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 10 mph NE | 0% |
| Friday | 45°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 4% |
| Saturday Night | 32°F | Mostly Clear | 5 mph WNW | 3% |
| Sunday | 56°F | Sunny | 5 to 10 mph SW | 1% |
| Sunday Night | 37°F | Mostly Clear | 10 mph S | 0% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
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 Nov 4, 2026.