Piedmont, SD Weather & Growing Conditions
Today
50°F
Partly Sunny
Partly sunny. High near 50, with temperatures falling to around 41 in the afternoon. Northwest wind around 7 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Partly Sunny | 7 mph NW | 0% |
| Tonight | 28°F | Partly Cloudy | 5 mph NW | 0% |
| Thursday | 55°F | Sunny | 3 mph E | 0% |
| Thursday Night | 29°F | Partly Cloudy | 3 mph SW | 0% |
| Friday | 54°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Friday Night | 30°F | Mostly Clear | 0 to 5 mph W | 0% |
| Saturday | 58°F | Sunny | 2 to 8 mph W | 0% |
| Saturday Night | 31°F | Mostly Clear | 3 mph W | 0% |
| Sunday | 67°F | Sunny | 5 mph W | 0% |
| Sunday Night | 36°F | Mostly Clear | 6 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 33°F | Partly Cloudy | 2 mph W | 1% |
| Tuesday | 61°F | Mostly Sunny | 5 mph SW | 0% |
| Tuesday Night | 35°F | Partly Cloudy | 3 mph W | 0% |
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 Nov 4, 2026.