Harman US

Marty, SD Weather & Growing Conditions

Today
72°F
Scattered Showers And Thunderstorms
Scattered rain showers between 8am and 10am, then scattered showers and thunderstorms. Mostly cloudy, with a high near 72. North northwest wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 72°F Scattered Showers And Thunderstorms 5 to 15 mph NNW 47%
Tonight 54°F Mostly Cloudy 0 to 5 mph WSW 8%
Wednesday 79°F Mostly Sunny 0 to 5 mph S 2%
Wednesday Night 58°F Mostly Clear 5 mph S 0%
Thursday 87°F Sunny 5 to 15 mph S 7%
Thursday Night 65°F Mostly Clear 5 to 15 mph S 8%
Friday 93°F Sunny 5 to 10 mph SSW 6%
Friday Night 67°F Mostly Clear 5 to 10 mph S 7%
Saturday 96°F Sunny 5 to 15 mph S 3%
Saturday Night 69°F Mostly Clear 5 to 15 mph SSW 7%
Sunday 94°F Sunny 5 to 15 mph SE 3%
Sunday Night 70°F Partly Cloudy 10 to 15 mph E 14%
Monday 93°F Partly Sunny 10 to 15 mph ENE 14%
Monday Night 69°F Slight Chance Showers And Thunderstorms 10 to 15 mph ENE 16%

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 Aug 4, 2026.