Summit Lake Weather Forecast

    • 35
    • 51

    Mostly Sunny

    • 44
    • 59

    Mostly Sunny

    • 48
    • 60

    Partly Sunny

    • 47
    • 60

    Rain Likely

    • 41
    • 53

    Chance Rain

    • 37
    • 50

    Chance Rain

Today 23 Oct Grant

Mostly sunny. Highs in the lower 50s. North Winds around 5 Mph.

Tonight 23 Oct Grant

Mostly clear. Lows in the lower 30s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

October Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 8 October, 2025

    30 °F

  • Average October

    56.4 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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

  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    57.2 °F
Get WillyWeather+ to remove ads