Summit Lake Weather Forecast

    • 29
    • 48

    Mostly Sunny

    • 30
    • 51

    Mostly Sunny

    • 29
    • 50

    Mostly Sunny

    • 32
    • 52

    Mostly Cloudy

    • 30
    • 48

    Partly Sunny

    • 28
    • 43

    Chance Rain/Snow

Today 12 Feb Grant

Patchy fog this morning. Mostly sunny. Highs around 50. South Winds around 5 Mph.

Tonight 12 Feb Grant

Mostly clear. Lows in the upper 20s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

February Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 3 February, 2026

    -2.9 °F

  • Average February

    26.1 °F

  • Highest 5 February, 2026

    48.9 °F

Climate (2021–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    57.2 °F
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