Marathon Lake Weather Forecast

    • 55
    • 85

    Sunny

    • 56
    • 85

    Sunny

    • 58
    • 87

    Mostly Sunny

    • 62
    • 86

    Partly Sunny

    • 64
    • 85

    Chance Rain Showers

    • 52
    • 81

    Chance Rain Showers

    • 54
    • 80

    Mostly Sunny

Today 14 Oct Smith

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 14 Oct Smith

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Lake Temperature Statistics

October Temperature

Meridian, Key Field (36.7 miles)

  • Lowest 12 October, 2025

    51.1 °F

  • Average October

    72.7 °F

  • Highest 1 October, 2025

    90 °F

Climate (2020–Present)

Meridian, Key Field (36.7 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    65.9 °F

  • Average High 2020–2025

    78.1 °F
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