New Witten, SD Weather & Growing Conditions
This Afternoon
48°F
Mostly Cloudy
Mostly cloudy, with a high near 48. Northwest wind around 14 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Cloudy | 14 mph NW | 1% |
| Tonight | 33°F | Mostly Cloudy | 14 mph NW | 0% |
| Thursday | 46°F | Mostly Sunny | 6 to 14 mph N | 1% |
| Thursday Night | 25°F | Partly Cloudy | 2 to 6 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 8 mph S | 0% |
| Friday Night | 33°F | Partly Cloudy | 8 mph S | 1% |
| Saturday | 61°F | Sunny | 8 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 to 8 mph W | 0% |
| Sunday | 64°F | Sunny | 7 to 12 mph SW | 0% |
| Sunday Night | 42°F | Clear | 10 to 15 mph SW | 0% |
| Monday | 62°F | Sunny | 6 to 14 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 6 mph NW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 to 8 mph S | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 5 to 8 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Witten, SD
Last spring frost
May 1
First fall frost
Oct 9
Growing season
159 days
Hardiness zone
5a
Explore more for New Witten, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Winner, Sd (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.