Marathon Weather Forecast

    • 65
    • 75

    Chance Thunderstorms

    • 38
    • 67

    Rain Showers Likely

    • 33
    • 53

    Mostly Sunny

    • 37
    • 60

    Mostly Sunny

    • 41
    • 64

    Partly Sunny

    • 41
    • 66

    Mostly Sunny

Today 15 Oct Clermont

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph, becoming southeast late. Chance of rain 40 percent.

Tonight 15 Oct Clermont

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Muggy and Unseasonably warm. Lows in the mid 60s. South Winds 5 to 10 Mph, becoming southwest after midnight. Gusts up to 25 Mph. Chance of rain 40 percent.

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Marathon Temperature Statistics

October Temperature

Batavia Clermont County Airport (11.8 miles)

  • Lowest 6 October, 2026

    41.5 °F

  • Average October

    63.4 °F

  • Highest 13 October, 2026

    88.3 °F

Climate (2021–2026)

Batavia Clermont County Airport (11.8 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.8 °F
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