Harman US

Pierpont, SD Weather & Growing Conditions

Tonight
36°F
Light Rain
Rain and patchy fog. Cloudy. Low around 36, with temperatures rising to around 39 overnight. North northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 36°F Light Rain 15 to 18 mph NNW 78%
Wednesday 42°F Light Rain 18 mph NNW 83%
Wednesday Night 32°F Slight Chance Light Rain then Patchy Fog 13 to 16 mph N 17%
Thursday 39°F Patchy Fog then Partly Sunny 8 to 15 mph N 3%
Thursday Night 28°F Mostly Cloudy 1 to 7 mph E 0%
Friday 42°F Partly Sunny 2 to 6 mph SSW 0%
Friday Night 30°F Partly Cloudy 3 to 8 mph SSW 0%
Saturday 53°F Mostly Sunny 8 to 12 mph WSW 3%
Saturday Night 33°F Partly Cloudy 8 mph W 2%
Sunday 54°F Sunny 6 to 9 mph SW 2%
Sunday Night 39°F Partly Cloudy 7 to 10 mph SSW 0%
Monday 55°F Mostly Sunny 8 to 14 mph W 0%
Monday Night 36°F Mostly Clear 7 mph W 0%
Tuesday 52°F Mostly Sunny 8 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Pierpont, SD

Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b

Explore more for Pierpont, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Andover #2, Sd (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.