Fort Pierre, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Pierre, a city in Hughes County, South Dakota.
This Afternoon
49°F
Mostly Cloudy
Mostly cloudy, with a high near 49. North northwest wind 16 to 22 mph, with gusts as high as 31 mph.
7-day forecast for Fort Pierre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Mostly Cloudy | 16 to 22 mph NNW | 1% |
| Tonight | 35°F | Mostly Cloudy | 10 to 15 mph NNW | 1% |
| Wednesday | 52°F | Mostly Cloudy | 14 to 18 mph NNW | 0% |
| Wednesday Night | 35°F | Mostly Cloudy | 10 to 14 mph NW | 1% |
| Thursday | 51°F | Mostly Sunny | 7 to 12 mph N | 0% |
| Thursday Night | 29°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 51°F | Partly Sunny | 5 to 8 mph SSW | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 62°F | Sunny | 5 to 14 mph W | 3% |
| Saturday Night | 34°F | Mostly Clear | 5 to 10 mph W | 1% |
| Sunday | 64°F | Sunny | 5 to 10 mph S | 0% |
| Sunday Night | 39°F | Mostly Clear | 10 mph SW | 0% |
| Monday | 63°F | Sunny | 9 to 16 mph NW | 0% |
| Monday Night | 36°F | Partly Cloudy | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fort Pierre (44.367, -100.382). Updated through the day.
Growing snapshot for Fort Pierre
Last spring frost
May 6
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
More local growing data for Fort Pierre: nearby ZIP 57501 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oahe Dam, Sd (8 mi from Fort Pierre). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.