Ashton, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashton, a city in Spink County, South Dakota.
Today
76°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 10am. Mostly sunny, with a high near 76. Northwest wind 8 to 12 mph.
7-day forecast for Ashton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke then Mostly Sunny | 8 to 12 mph NW | 0% |
| Tonight | 52°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 83°F | Sunny | 6 to 13 mph SSW | 1% |
| Wednesday Night | 59°F | Partly Cloudy | 13 mph SSW | 4% |
| Thursday | 88°F | Sunny | 12 to 16 mph SSW | 8% |
| Thursday Night | 62°F | Mostly Clear | 13 mph S | 9% |
| Friday | 90°F | Sunny | 12 mph WSW | 2% |
| Friday Night | 61°F | Mostly Clear | 8 to 12 mph E | 5% |
| Saturday | 89°F | Sunny | 8 to 17 mph ESE | 6% |
| Saturday Night | 62°F | Mostly Clear | 12 to 16 mph E | 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) 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 Aug 4, 2026.