Charleston Weather Forecast

    • 5
    • 11

    Partly cloudy

    • 6
    • 12

    Shower or two

    • 5
    • 15

    Mostly sunny

    • 7
    • 13

    Shower or two

    • 4
    • 16

    Possible shower

    • 10
    • 19

    Possible shower

    • 10
    • 22

    Possible shower

Today 31 Aug Mount Barker

Partly cloudy. Slight chance of a shower. Light winds.

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Charleston Temperature Statistics View More

August Temperature

Mount Barker (18km)

  • Lowest 19 August, 2025

    0 °C

  • Average August

    9.9 °C

  • Highest 11 August, 2025

    19 °C

Climate (2020–Present)

Mount Barker (18km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.9 °C

  • Average High 2020–2025

    21 °C
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