New Witten, SD Weather & Growing Conditions
Today
68°F
Areas Of Smoke
Areas of smoke and a slight chance of rain showers before 1pm. Partly sunny, with a high near 68. Northwest wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Areas Of Smoke | 5 to 12 mph NW | 20% |
| Tonight | 52°F | Partly Cloudy | 2 to 6 mph SW | 7% |
| Wednesday | 77°F | Mostly Sunny | 6 to 9 mph SW | 2% |
| Wednesday Night | 58°F | Mostly Clear | 9 to 16 mph S | 1% |
| Thursday | 87°F | Sunny | 12 to 15 mph S | 6% |
| Thursday Night | 64°F | Mostly Clear | 15 mph S | 6% |
| Friday | 92°F | Sunny | 8 to 14 mph S | 3% |
| Friday Night | 65°F | Mostly Clear | 9 to 13 mph SE | 5% |
| Saturday | 95°F | Sunny | 13 to 20 mph SW | 3% |
| Saturday Night | 65°F | Mostly Clear | 10 to 17 mph SE | 7% |
| Sunday | 91°F | Mostly Sunny | 9 to 16 mph SE | 3% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 12 to 16 mph E | 28% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 15 mph E | 20% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 25% |
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 Aug 4, 2026.