Summit Weather Forecast

    • 64
    • 80

    Increasing Clouds

    • 66
    • 84

    Partly Sunny

    • 69
    • 85

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 76

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

Today 2 Sep Roberts

Mostly sunny. Near steady temperature in the lower 80s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 2 Sep Roberts

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Summit Temperature Statistics

September Temperature

Sisseton, Sisseton Municipal Airport (24.9 miles)

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  • Average September

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Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
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