Wentworth, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wentworth, a village in Lake County, South Dakota.
Today
43°F
Rain Showers
Rain showers. Cloudy, with a high near 43. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Wentworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 43°F | Rain Showers | 20 mph NW | 77% |
| Tonight | 35°F | Chance Rain Showers then Cloudy | 15 mph NNW | 52% |
| Thursday | 44°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 51°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 59°F | Mostly Sunny | 10 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 5 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Wentworth (43.997, -96.965). Updated through the day.
Growing snapshot for Wentworth
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
4b
More local growing data for Wentworth: nearby ZIP 57075 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Brant Lake
Brant Lake South
Chester
Graceville Colony
Lake Madison
Madison
Nunda
Ramona
Rustic Acres Colony
Shannon Colony
Winfred
Climate data from the nearest NOAA station, Wentworth 2.5 Wnw, Sd (2 mi from Wentworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.