Harman US

Marty, SD Weather & Growing Conditions

Tonight
61°F
Cloudy then Patchy Fog
Patchy fog between 1am and 2am. Cloudy, with a low around 61. North northwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Cloudy then Patchy Fog 5 to 10 mph NNW 11%
Saturday 69°F Patchy Fog then Cloudy 10 mph N 18%
Saturday Night 57°F Cloudy 5 to 10 mph NNE 7%
Sunday 63°F Rain Showers Likely 10 mph NE 66%
Sunday Night 54°F Showers And Thunderstorms 5 to 10 mph ENE 79%
Monday 62°F Showers And Thunderstorms Likely 5 to 10 mph ENE 79%
Monday Night 50°F Mostly Cloudy 5 to 10 mph E 11%
Tuesday 66°F Mostly Cloudy 5 to 10 mph ESE 7%
Tuesday Night 52°F Mostly Cloudy 10 mph SE 7%
Wednesday 70°F Slight Chance Rain Showers 10 to 15 mph SSE 24%
Wednesday Night 55°F Chance Showers And Thunderstorms 10 mph SSE 45%
Thursday 71°F Chance Rain Showers then Partly Sunny 10 mph SSE 45%
Thursday Night 57°F Mostly Cloudy 5 to 10 mph SE 11%
Friday 72°F Partly Sunny 5 to 10 mph SE 12%

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 Sep 19, 2026.