Summit Lake Weather Forecast

    • 63
    • 76

    Breezy

    • 62
    • 84

    Breezy

    • 46
    • 73

    Mostly Cloudy

    • 42
    • 57

    Chance Rain Showers

    • 43
    • 57

    Chance Rain Showers

    • 46
    • 59

    Rain Showers Likely

Today 9 Oct Grant

Mostly sunny. Highs in the mid 70s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 Oct Grant

Mostly clear in the Evening, then becoming partly cloudy. Breezy and not as cool with Lows in the lower 60s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to south 20 to 25 Mph with Gusts up to 40 Mph after midnight.

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  • 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

    56.8 °F

  • Highest 6 October, 2026

    82 °F

Climate (2021–2026)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    56.9 °F
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