New Effington, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Effington, a town in Roberts County, South Dakota.
Tonight
54°F
Mostly Cloudy
Mostly cloudy. Low around 54, with temperatures rising to around 57 overnight. North northeast wind 3 to 7 mph.
7-day forecast for New Effington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 3 to 7 mph NNE | 7% |
| Sunday | 66°F | Cloudy | 7 to 12 mph NE | 13% |
| Sunday Night | 46°F | Cloudy | 5 to 8 mph ENE | 10% |
| Monday | 64°F | Partly Sunny | 7 mph E | 8% |
| Monday Night | 41°F | Partly Cloudy | 6 mph SE | 2% |
| Tuesday | 66°F | Mostly Sunny | 3 to 13 mph SE | 1% |
| Tuesday Night | 43°F | Mostly Clear | 10 mph SE | 0% |
| Wednesday | 68°F | Mostly Sunny | 10 to 18 mph SSE | 4% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 13 to 16 mph SE | 51% |
| Thursday | 70°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 51% |
| Thursday Night | 52°F | Mostly Cloudy | 6 to 9 mph SSE | 14% |
| Friday | 74°F | Partly Sunny | 6 to 13 mph SSE | 10% |
| Friday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 14 mph SSE | 19% |
| Saturday | 74°F | Chance Rain Showers | 15 to 18 mph SSE | 33% |
Forecast source: National Weather Service (api.weather.gov) for New Effington (45.858, -96.915). Updated through the day.
Growing snapshot for New Effington
Last spring frost
May 4
First fall frost
Oct 3
Growing season
152 days
Hardiness zone
4b
More local growing data for New Effington: nearby ZIP 57255 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Agency Village
Claire City
Corona
Long Hollow
Peever
Peever Flats
Rosholt
Sisseton
White Rock Colony
Wilmot
Climate data from the nearest NOAA station, Victor 4 N, Sd (7.4 mi from New Effington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.