Pierpont, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pierpont, a town in Day County, South Dakota.
Tonight
55°F
Areas Of Drizzle
Areas of drizzle and areas of fog. Cloudy. Low around 55, with temperatures rising to around 58 overnight. East northeast wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
7-day forecast for Pierpont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Areas Of Drizzle | 6 to 12 mph ENE | 31% |
| Saturday | 65°F | Areas Of Fog | 8 to 12 mph NE | 3% |
| Saturday Night | 53°F | Mostly Cloudy | 7 to 10 mph NE | 6% |
| Sunday | 65°F | Cloudy | 13 mph ENE | 6% |
| Sunday Night | 50°F | Chance Rain Showers | 9 mph E | 37% |
| Monday | 63°F | Chance Rain Showers then Mostly Cloudy | 9 mph E | 37% |
| Monday Night | 47°F | Mostly Cloudy | 7 mph ESE | 5% |
| Tuesday | 66°F | Mostly Sunny | 8 to 12 mph SE | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 8 to 12 mph SE | 10% |
| Wednesday | 69°F | Partly Sunny | 12 to 15 mph SSE | 13% |
| Wednesday Night | 54°F | Chance Rain Showers | 10 mph SSE | 26% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 9 mph SSE | 26% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph SSE | 13% |
| Friday | 72°F | Partly Sunny | 8 to 13 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Pierpont (45.495, -97.832). Updated through the day.
Growing snapshot for Pierpont
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
More local growing data for Pierpont: nearby ZIP 57468 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Andover #2, Sd (9.7 mi from Pierpont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.