Chester, SD Weather & Growing Conditions
Today
71°F
Isolated Rain Showers
Isolated rain showers between 10am and 5pm. Partly sunny, with a high near 71. Northwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Isolated Rain Showers | 10 mph NW | 21% |
| Tonight | 53°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Wednesday | 76°F | Sunny | 0 to 5 mph SSW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 82°F | Sunny | 10 to 15 mph SSW | 1% |
| Thursday Night | 62°F | Mostly Clear | 10 to 15 mph SSW | 4% |
| Friday | 85°F | Sunny | 10 to 15 mph SSW | 11% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph S | 12% |
| Saturday | 87°F | Sunny | 5 to 15 mph S | 5% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph ESE | 21% |
| Sunday | 85°F | Mostly Sunny | 15 mph ESE | 14% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms | 15 mph E | 23% |
| Monday | 84°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 mph ENE | 23% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 17% |
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 Aug 4, 2026.