Sisseton, SD Weather & Growing Conditions
Overnight
56°F
Patchy Fog
Patchy fog and a slight chance of rain showers. Cloudy, with a low around 56. East northeast wind around 7 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Patchy Fog | 7 mph ENE | 24% |
| Saturday | 66°F | Patchy Fog then Cloudy | 7 to 12 mph NE | 23% |
| Saturday Night | 52°F | Mostly Cloudy | 8 mph NNE | 12% |
| Sunday | 66°F | Mostly Cloudy | 8 to 12 mph NE | 13% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 8 mph E | 4% |
| Monday | 66°F | Partly Sunny | 5 to 8 mph E | 4% |
| Monday Night | 44°F | Partly Cloudy | 6 mph SE | 3% |
| Tuesday | 67°F | Sunny | 5 to 14 mph SE | 1% |
| Tuesday Night | 46°F | Mostly Clear | 12 mph SE | 1% |
| Wednesday | 69°F | Mostly Sunny | 10 to 16 mph SSE | 9% |
| Wednesday Night | 51°F | Chance Rain Showers | 9 to 13 mph SSE | 25% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 9 to 13 mph SSE | 25% |
| Thursday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 9 mph SSE | 16% |
| Friday | 73°F | Slight Chance Rain Showers then Partly Sunny | 8 to 15 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sisseton, SD
Last spring frost
May 4
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
4b
Explore more for Sisseton, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Sisseton, Sd (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.