Harman US

Marion, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Turner County, South Dakota.

This Afternoon
70°F
Cloudy
Cloudy, with a high near 70. East wind 5 to 10 mph.

7-day forecast for Marion

WhenTempForecastWindPrecip
This Afternoon 70°F Cloudy 5 to 10 mph E 11%
Tonight 62°F Mostly Cloudy then Patchy Fog 5 to 10 mph N 17%
Saturday 68°F Patchy Fog then Cloudy 10 mph N 20%
Saturday Night 57°F Mostly Cloudy 10 mph NNE 5%
Sunday 65°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph NE 38%
Sunday Night 54°F Rain Showers Likely 10 to 15 mph ENE 72%
Monday 61°F Rain Showers Likely 10 mph ENE 72%
Monday Night 48°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph E 17%
Tuesday 64°F Partly Sunny 5 to 10 mph ESE 3%
Tuesday Night 49°F Partly Cloudy 10 mph SE 3%
Wednesday 68°F Partly Sunny 10 to 15 mph SSE 13%
Wednesday Night 53°F Chance Rain Showers 10 mph SSE 40%
Thursday 68°F Chance Rain Showers 10 mph SSE 40%
Thursday Night 55°F Mostly Cloudy 5 to 10 mph SE 11%

Forecast source: National Weather Service (api.weather.gov) for Marion (43.424, -97.261). Updated through the day.

Growing snapshot for Marion

Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a

More local growing data for Marion: nearby ZIP 57043 weather · frost dates · planting calendar · South Dakota frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Bridgewater, Sd (13.1 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.