New Witten, SD Weather & Growing Conditions
This Afternoon
65°F
Slight Chance Rain Showers
A slight chance of rain showers before 5pm. Cloudy. High near 65, with temperatures falling to around 63 in the afternoon. North wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Slight Chance Rain Showers | 9 mph N | 22% |
| Tonight | 51°F | Chance Rain Showers | 10 mph NE | 42% |
| Sunday | 57°F | Rain Showers | 12 mph E | 96% |
| Sunday Night | 49°F | Showers And Thunderstorms | 10 mph E | 98% |
| Monday | 57°F | Rain Showers | 10 mph E | 90% |
| Monday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph SE | 19% |
| Tuesday | 62°F | Partly Sunny | 9 to 16 mph SE | 8% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 14 to 20 mph SE | 17% |
| Wednesday | 67°F | Slight Chance Rain Showers | 20 to 23 mph S | 17% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 16 to 20 mph S | 32% |
| Thursday | 74°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 7 to 16 mph S | 18% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 8 mph SE | 8% |
| Friday | 73°F | Partly Sunny | 9 to 14 mph SE | 8% |
| Friday Night | 58°F | Chance Showers And Thunderstorms | 13 to 18 mph SE | 27% |
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 9
Growing season
159 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, Sd (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.