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
58°F
Cloudy then Patchy Fog
Patchy fog after midnight. Cloudy. Low around 58, with temperatures rising to around 60 overnight. North wind around 7 mph.
7-day forecast for New Witten
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Cloudy then Patchy Fog | 7 mph N | 7% |
| Saturday | 67°F | Patchy Fog then Slight Chance Rain Showers | 9 mph N | 16% |
| Saturday Night | 54°F | Rain Showers Likely | 9 mph NE | 71% |
| Sunday | 62°F | Rain Showers | 10 mph E | 85% |
| Sunday Night | 51°F | Rain Showers | 10 mph E | 90% |
| Monday | 63°F | Rain Showers | 12 mph E | 89% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 10 mph E | 32% |
| Tuesday | 69°F | Partly Sunny | 8 to 18 mph SE | 13% |
| Tuesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 17 mph SE | 20% |
| Wednesday | 75°F | Chance Rain Showers | 18 to 22 mph S | 33% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 13 to 17 mph S | 27% |
| Thursday | 75°F | Chance Rain Showers then Partly Sunny | 8 to 13 mph S | 27% |
| Thursday Night | 56°F | Partly Cloudy | 12 mph SE | 10% |
| Friday | 76°F | Partly Sunny | 13 to 16 mph SE | 11% |
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 Sep 19, 2026.