Marion, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Turner County, South Dakota.
Today
71°F
Chance Rain Showers
A chance of rain showers after 9am. Partly sunny, with a high near 71. North northwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Chance Rain Showers | 5 to 15 mph NNW | 58% |
| Tonight | 53°F | Isolated Rain Showers then Mostly Cloudy | 0 to 5 mph WNW | 16% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 84°F | Sunny | 5 to 15 mph S | 1% |
| Thursday Night | 63°F | Mostly Clear | 10 to 15 mph S | 5% |
| Friday | 88°F | Sunny | 10 to 15 mph SSW | 7% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 12% |
| Saturday | 91°F | Sunny | 10 to 20 mph SSE | 5% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph ESE | 16% |
| Sunday | 89°F | Mostly Sunny | 10 to 15 mph SE | 11% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 15 mph E | 15% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 mph E | 15% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 15 mph ENE | 17% |
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
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 Aug 4, 2026.