Ashton, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashton, a city in Spink County, South Dakota.
This Afternoon
67°F
Cloudy
Cloudy, with a high near 67. Northeast wind around 13 mph.
7-day forecast for Ashton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Cloudy | 13 mph NE | 4% |
| Tonight | 57°F | Mostly Cloudy | 7 to 13 mph NNE | 2% |
| Sunday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph NE | 22% |
| Sunday Night | 50°F | Chance Rain Showers | 7 to 12 mph ENE | 51% |
| Monday | 63°F | Chance Rain Showers then Mostly Cloudy | 8 mph E | 29% |
| Monday Night | 43°F | Mostly Cloudy | 7 mph SE | 3% |
| Tuesday | 66°F | Mostly Sunny | 7 to 14 mph SE | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 12 to 15 mph SE | 4% |
| Wednesday | 67°F | Partly Sunny | 15 to 21 mph SSE | 10% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 18 mph SSE | 59% |
| Thursday | 72°F | Showers And Thunderstorms Likely | 10 to 16 mph SSE | 59% |
| Thursday Night | 53°F | Mostly Cloudy | 7 to 10 mph SE | 10% |
| Friday | 74°F | Partly Sunny | 7 to 15 mph SE | 10% |
| Friday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 13 to 16 mph SSE | 24% |
Forecast source: National Weather Service (api.weather.gov) for Ashton (44.993, -98.499). Updated through the day.
Growing snapshot for Ashton
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4b
More local growing data for Ashton: nearby ZIP 57424 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Brentford
Camrose Colony
Chelsea
Clark Colony
Conde
Doland
Frankfort
Glendale Colony
Hillside Colony
Mellette
Northville
Redfield
Spink Colony
Tulare
Turton
Verdon
Climate data from the nearest NOAA station, Mellette 4 W, Sd (9.7 mi from Ashton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.