New Witten, SD Weather & Growing Conditions
Tonight
58°F
Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1am and 4am, then patchy fog and a slight chance of rain showers. Cloudy. Low around 58, with temperatures rising to around 60 overnight. North wind around 8 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Cloudy then Chance Showers And Thunderstorms | 8 mph N | 26% |
| Saturday | 68°F | Patchy Fog then Cloudy | 7 to 10 mph N | 15% |
| Saturday Night | 54°F | Rain Showers Likely | 10 mph NE | 66% |
| Sunday | 62°F | Rain Showers | 12 mph E | 84% |
| Sunday Night | 51°F | Rain Showers | 10 mph NE | 89% |
| Monday | 63°F | Rain Showers | 12 mph E | 89% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 8 to 12 mph E | 28% |
| Tuesday | 70°F | Mostly Cloudy | 8 to 20 mph SE | 14% |
| Tuesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 17 mph SE | 20% |
| Wednesday | 75°F | Chance Rain Showers | 17 to 22 mph S | 33% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 12 to 17 mph S | 28% |
| Thursday | 76°F | Chance Rain Showers then Partly Sunny | 12 mph S | 28% |
| Thursday Night | 56°F | Partly Cloudy | 10 mph SE | 9% |
| Friday | 76°F | Partly Sunny | 12 to 17 mph SE | 10% |
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 10
Growing season
162 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 Wiley Fld, Sd (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.