Summit Lake Weather Forecast

    • 55
    • 77

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

    • 60
    • 80

    Partly Sunny

    • 57
    • 80

    Slight Chance Thunderstorms

    • 55
    • 74

    Partly Sunny

    • 58
    • 76

    Mostly Cloudy

Today 18 Aug Murray

Partly sunny. A chance of Showers and Thunderstorms this morning. Highs in the upper 70s. West Winds around 5 Mph, becoming north this afternoon. Chance of rain 50 percent.

Tonight 18 Aug Murray

Partly cloudy in the Evening, then clearing. Lows in the mid 50s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Summit Lake Temperature Statistics

August Temperature

Slayton Municipal Airport (3.7 miles)

  • Lowest 5 August, 2026

    49.1 °F

  • Average August

    68.7 °F

  • Highest 3 August, 2026

    82.4 °F

Climate (2021–2026)

Slayton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.6 °F
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