Charleston Weather Forecast

    • 9
    • 23

    Sunny

    • 11
    • 33

    Sunny

    • 22
    • 40

    Afternoon cool change. Windy

    • 15
    • 33

    Mostly sunny

    • 18
    • 40

    Sunny

    • 26
    • 38

    Sunny

    • 18
    • 27

    Partly cloudy

Today 22 Jan Mount Barker

Sunny. Winds southeasterly 20 to 30 km/h tending southerly 15 to 25 km/h in the evening then becoming light in the late evening.

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Charleston Temperature Statistics View More

January Temperature

Mount Barker (18km)

  • Lowest 1 January, 2026

    7.6 °C

  • Average January

    19.6 °C

  • Highest 7 January, 2026

    41.5 °C

Climate (2021–Present)

Mount Barker (18km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.9 °C

  • Average High 2021–2026

    21 °C
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