Marathon Weather Forecast

    • 22
    • 36

    Partly cloudy

    • 23
    • 38

    Partly cloudy

    • 24
    • 40

    Partly cloudy

    • 25
    • 39

    Partly cloudy

    • 25
    • 37

    Storm

    • 23
    • 34

    Storm

    • 23
    • 34

    Storm

Today 18 Dec Northern Goldfields and Upper Flinders

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. The chance of a thunderstorm. Winds east to northeasterly 15 to 25 km/h.

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  • Temperature Forecast Bureau of Meteorology

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Marathon Temperature Statistics View More

December Temperature

Richmond Airport (50km)

  • Lowest 2 December, 2025

    16.5 °C

  • Average December

    31.5 °C

  • Highest 9 December, 2025

    42.2 °C

Climate (2020–Present)

Richmond Airport (50km)

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  • Average Low 2020–2025

    17.6 °C

  • Average 2020–2025

    25.4 °C

  • Average High 2020–2025

    33.8 °C
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