New Witten, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Witten, a town in Tripp County, South Dakota.
Tonight
33°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 33, with temperatures rising to around 35 overnight. Northwest wind around 14 mph, with gusts as high as 23 mph.
7-day forecast for New Witten
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Patchy Fog | 14 mph NW | 2% |
| Wednesday | 48°F | Patchy Fog then Mostly Cloudy | 15 to 18 mph NW | 6% |
| Wednesday Night | 34°F | Mostly Cloudy | 14 mph NW | 3% |
| Thursday | 50°F | Mostly Sunny | 7 to 13 mph NW | 0% |
| Thursday Night | 29°F | Mostly Clear | 6 mph SE | 0% |
| Friday | 54°F | Mostly Sunny | 7 mph S | 0% |
| Friday Night | 32°F | Partly Cloudy | 7 mph S | 0% |
| Saturday | 62°F | Sunny | 7 to 14 mph W | 4% |
| Saturday Night | 35°F | Mostly Clear | 9 mph W | 1% |
| Sunday | 66°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 42°F | Mostly Clear | 10 to 14 mph SW | 0% |
| Monday | 63°F | Sunny | 8 to 17 mph NW | 0% |
| Monday Night | 38°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 62°F | Mostly Sunny | 7 to 12 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for New Witten (43.441, -100.082). Updated through the day.
Growing snapshot for New Witten
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for New Witten: nearby ZIP 57584 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (13 mi from New Witten). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.