Piedmont, SD Weather & Growing Conditions
Today
69°F
Areas Of Smoke
Areas of smoke. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. North wind 1 to 5 mph, with gusts as high as 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Areas Of Smoke | 1 to 5 mph N | 5% |
| Tonight | 44°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SW | 19% |
| Wednesday | 77°F | Sunny | 3 mph SE | 8% |
| Wednesday Night | 49°F | Mostly Clear | 3 mph S | 2% |
| Thursday | 85°F | Sunny | 1 to 5 mph NW | 3% |
| Thursday Night | 54°F | Mostly Clear | 3 mph SW | 0% |
| Friday | 89°F | Sunny | 2 to 6 mph N | 2% |
| Friday Night | 59°F | Mostly Clear | 5 mph S | 1% |
| Saturday | 91°F | Sunny | 3 to 7 mph N | 3% |
| Saturday Night | 56°F | Mostly Clear | 1 to 6 mph NW | 3% |
| Sunday | 89°F | Mostly Sunny | 2 to 8 mph SE | 8% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 16% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph NE | 20% |
| Monday Night | 55°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 7 mph SE | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Piedmont, SD
Last spring frost
May 20
First fall frost
Sep 25
Growing season
126 days
Hardiness zone
5a
Explore more for Piedmont, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Johnson Siding, Sd (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.