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.
Today
72°F
Areas Of Smoke
Areas of smoke and a slight chance of rain showers before 1pm. Partly sunny, with a high near 72. Northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for New Witten
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Areas Of Smoke | 6 to 10 mph NW | 19% |
| Tonight | 54°F | Partly Cloudy | 3 to 7 mph SW | 5% |
| Wednesday | 82°F | Sunny | 6 to 10 mph SW | 2% |
| Wednesday Night | 60°F | Mostly Clear | 10 to 17 mph S | 1% |
| Thursday | 90°F | Sunny | 12 to 15 mph S | 6% |
| Thursday Night | 66°F | Mostly Clear | 16 mph S | 6% |
| Friday | 94°F | Sunny | 9 to 14 mph W | 3% |
| Friday Night | 67°F | Mostly Clear | 12 mph SE | 4% |
| Saturday | 97°F | Sunny | 12 to 20 mph SW | 3% |
| Saturday Night | 65°F | Mostly Clear | 8 to 20 mph SE | 7% |
| Sunday | 94°F | Mostly Sunny | 8 to 18 mph SE | 3% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 10 to 18 mph E | 30% |
| Monday | 92°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 16 mph E | 22% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph E | 24% |
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 Aug 4, 2026.