Summit Lake Weather Forecast

    • 64
    • 80

    Chance Thunderstorms

    • 68
    • 91

    Rain Showers

    • 58
    • 81

    Slight Chance Thunderstorms

    • 55
    • 72

    Slight Chance Thunderstorms

    • 55
    • 75

    Partly Sunny

    • 52
    • 70

    Partly Sunny

Today 8 Jun Grant

Mostly cloudy this Morning, then becoming partly sunny. A chance of Thunderstorms. Showers likely this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph, becoming west 5 to 10 Mph this afternoon. Chance of rain 60 percent.

Tonight 8 Jun Grant

Mostly cloudy with a 20 percent chance of Thunderstorms. Lows in the mid 60s. North Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

June Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 2 June, 2026

    60.1 °F

  • Average June

    71.5 °F

  • Highest 2 June, 2026

    88 °F

Climate (2021–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    57.1 °F
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