Chester, SD Weather & Growing Conditions
Tonight
59°F
Areas Of Fog
Areas of fog. Cloudy, with a low around 59. North northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Areas Of Fog | 5 to 10 mph NNE | 9% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 to 15 mph NNE | 10% |
| Saturday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Sunday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 21% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 54% |
| Monday | 60°F | Chance Rain Showers | 10 to 15 mph E | 54% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph E | 10% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph SE | 3% |
| Wednesday | 67°F | Partly Sunny | 5 to 15 mph SSE | 10% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 mph SSE | 38% |
| Thursday | 68°F | Chance Rain Showers | 10 mph SSE | 38% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 10 mph SE | 13% |
| Friday | 70°F | Partly Sunny | 5 to 15 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chester, SD
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
4b
Explore more for Chester, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Wentworth 2.5 Wnw, Sd (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.