New Witten, SD Weather & Growing Conditions
Today
49°F
Patchy Fog then Mostly Cloudy
Patchy fog and a slight chance of rain and snow before 9am. Mostly cloudy. High near 49, with temperatures falling to around 46 in the afternoon. Northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Patchy Fog then Mostly Cloudy | 14 to 20 mph NW | 17% |
| Tonight | 34°F | Mostly Cloudy | 13 mph NW | 1% |
| Thursday | 49°F | Partly Sunny | 7 to 12 mph NW | 0% |
| Thursday Night | 27°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 53°F | Mostly Sunny | 5 to 8 mph S | 0% |
| Friday Night | 33°F | Partly Cloudy | 7 mph S | 0% |
| Saturday | 61°F | Sunny | 7 to 12 mph W | 0% |
| Saturday Night | 36°F | Mostly Clear | 9 mph W | 0% |
| Sunday | 65°F | Sunny | 7 to 10 mph SW | 0% |
| Sunday Night | 42°F | Mostly Clear | 9 to 14 mph SW | 0% |
| Monday | 63°F | Sunny | 6 to 15 mph NW | 0% |
| Monday Night | 37°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 62°F | Mostly Sunny | 6 to 10 mph S | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 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 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 Nov 4, 2026.