Summit Lake Weather Forecast

    • 40
    • 57

    Sunny

    • 45
    • 69

    Rain Showers Likely

    • 38
    • 60

    Slight Chance Rain Showers

    • 39
    • 57

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

Today 29 Apr Grant

Sunny. Highs in the upper 50s. Northwest Winds 5 to 15 Mph.

Tonight 29 Apr Grant

Clear. Lows in the upper 30s. South Winds 5 to 15 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

April Temperature

Sisseton, Sisseton Municipal Airport (26.1 miles)

  • Lowest 5 April, 2025

    16.8 °F

  • Average April

    44.3 °F

  • Highest 12 April, 2025

    70.6 °F

Climate (2020–Present)

Sisseton, Sisseton Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    57.1 °F
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