Marion, SD Weather & Growing Conditions
Overnight
62°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 62. North wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Fog | 5 mph N | 15% |
| Saturday | 67°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph N | 17% |
| Saturday Night | 56°F | Cloudy | 10 mph NNE | 11% |
| Sunday | 66°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 25% |
| Sunday Night | 52°F | Rain Showers Likely | 10 to 15 mph ENE | 58% |
| Monday | 62°F | Rain Showers Likely | 10 mph ENE | 58% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 10 mph E | 12% |
| Tuesday | 65°F | Partly Sunny | 5 to 10 mph ESE | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 10 mph SE | 2% |
| Wednesday | 67°F | Mostly Sunny | 10 to 15 mph SE | 13% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 mph SE | 40% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 40% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 10 mph SE | 19% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph SE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marion, SD
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
Explore more for Marion, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Bridgewater, Sd (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.