Sisseton Weather Forecast

    • 55
    • 68

    Rain Showers Likely

    • 56
    • 68

    Mostly Cloudy

    • 56
    • 67

    Chance Rain Showers

    • 55
    • 71

    Mostly Cloudy

    • 53
    • 71

    Rain Showers

    • 47
    • 62

    Chance Rain Showers

Today 24 Sep Roberts

Cloudy. Showers with a slight chance of Thunderstorms this morning. Highs in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 24 Sep Roberts

Cloudy. A slight chance of Showers in the evening. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sisseton Temperature Statistics

September Temperature

Sisseton, Sisseton Municipal Airport (2.5 miles)

  • Lowest 13 September, 2026

    43 °F

  • Average September

    65.5 °F

  • Highest 3 September, 2026

    91.9 °F

Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads