Ashton, SD Weather & Growing Conditions
Today
76°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 10am. Mostly sunny, with a high near 76. Northwest wind 7 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke then Mostly Sunny | 7 to 12 mph NW | 0% |
| Tonight | 52°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 83°F | Sunny | 6 to 14 mph SSW | 1% |
| Wednesday Night | 59°F | Partly Cloudy | 13 mph SSW | 4% |
| Thursday | 89°F | Sunny | 10 to 15 mph SSW | 8% |
| Thursday Night | 62°F | Mostly Clear | 13 mph S | 9% |
| Friday | 90°F | Sunny | 12 mph SW | 2% |
| Friday Night | 61°F | Mostly Clear | 7 to 12 mph E | 5% |
| Saturday | 89°F | Sunny | 7 to 17 mph ESE | 6% |
| Saturday Night | 62°F | Mostly Clear | 12 to 16 mph ENE | 12% |
| Sunday | 88°F | Mostly Sunny | 10 to 16 mph ENE | 6% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph ENE | 25% |
| Monday | 85°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 17 mph NE | 25% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 to 17 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ashton, SD
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4b
Explore more for Ashton, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Mellette 4 W, Sd (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.