Harman US

Marty, SD Weather & Growing Conditions

Tonight
38°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before 9pm. Cloudy, with a low around 38. Northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 38°F Slight Chance Rain Showers then Cloudy 15 to 25 mph NW 16%
Wednesday 47°F Chance Rain Showers 15 mph NW 42%
Wednesday Night 37°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph NW 32%
Thursday 49°F Partly Sunny 10 to 15 mph NNW 5%
Thursday Night 30°F Partly Cloudy 0 to 5 mph N 0%
Friday 50°F Mostly Sunny 0 to 5 mph S 0%
Friday Night 32°F Partly Cloudy 5 mph S 0%
Saturday 60°F Sunny 5 mph W 4%
Saturday Night 36°F Mostly Clear 5 mph WNW 3%
Sunday 62°F Sunny 5 to 10 mph SW 0%
Sunday Night 41°F Mostly Clear 5 to 10 mph SSW 0%
Monday 63°F Sunny 10 to 15 mph WNW 0%
Monday Night 38°F Mostly Clear 5 mph WNW 0%
Tuesday 60°F Mostly Sunny 5 mph SSW 0%

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

Growing snapshot for Marty, SD

Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Pickstown 4Ssw, Sd (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.