Summit Lake Weather Forecast

    • 42
    • 55

    Cloudy

    • 38
    • 53

    Mostly Cloudy

    • 42
    • 56

    Slight Chance Rain Showers

    • 38
    • 58

    Breezy

    • 35
    • 52

    Mostly Sunny

    • 46
    • 61

    Breezy

    • 45
    • 66

    Mostly Sunny

Today 12 Oct Grant

Cloudy with a slight chance of drizzle. Patchy fog. Near steady temperature in the upper 50s. Northwest Winds 10 to 15 Mph.

Tonight 12 Oct Grant

Cloudy. Lows in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 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 5 October, 2026

    35.1 °F

  • Average October

    58.4 °F

  • Highest 10 October, 2026

    90 °F

Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (26.1 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

    56.9 °F
Get WillyWeather+ to remove ads