Wentworth, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wentworth, a village in Lake County, South Dakota.
Overnight
58°F
Patchy Smoke
Patchy smoke. Mostly cloudy, with a low around 58. North wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Wentworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Patchy Smoke | 10 to 15 mph N | 11% |
| Tuesday | 70°F | Patchy Smoke then Partly Sunny | 10 mph NNW | 11% |
| Tuesday Night | 53°F | Partly Cloudy | 5 mph W | 2% |
| Wednesday | 76°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 81°F | Sunny | 10 to 15 mph SSW | 2% |
| Thursday Night | 62°F | Mostly Clear | 10 to 15 mph SSW | 4% |
| Friday | 85°F | Sunny | 10 to 15 mph SSW | 10% |
| Friday Night | 63°F | Mostly Clear | 10 mph S | 12% |
| Saturday | 86°F | Sunny | 10 to 15 mph SSE | 5% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 15 mph ESE | 21% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 15 mph ESE | 15% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms | 15 mph E | 24% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 mph ENE | 24% |
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 Aug 4, 2026.