Pierpont, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pierpont, a town in Day County, South Dakota.
Overnight
37°F
Chance Light Rain
A chance of rain before 1am, then rain and patchy fog. Cloudy. Low around 37, with temperatures rising to around 40 overnight. North northwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Pierpont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Chance Light Rain | 17 mph NNW | 75% |
| Wednesday | 43°F | Light Rain | 17 mph NNW | 80% |
| Wednesday Night | 32°F | Patchy Fog | 15 mph NNW | 2% |
| Thursday | 39°F | Patchy Fog then Mostly Cloudy | 8 to 14 mph N | 0% |
| Thursday Night | 26°F | Mostly Cloudy | 1 to 6 mph E | 0% |
| Friday | 41°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Friday Night | 29°F | Partly Cloudy | 3 to 7 mph S | 0% |
| Saturday | 52°F | Sunny | 7 to 12 mph SW | 1% |
| Saturday Night | 33°F | Mostly Clear | 7 mph WSW | 0% |
| Sunday | 53°F | Sunny | 5 to 9 mph SSW | 0% |
| Sunday Night | 38°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 7 to 10 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 3 to 7 mph WSW | 1% |
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 Nov 4, 2026.