Southport Lagoon Weather Forecast

    • 5
    • 21

    Mostly sunny

    • 8
    • 22

    Sunny

    • 9
    • 24

    Mostly sunny

    • 10
    • 26

    Sunny

    • 13
    • 25

    Shower or two

    • 13
    • 22

    Shower or two

    • 11
    • 26

    Partly cloudy

Today 16 Oct South East

Sunny. Winds northwest to northeasterly 20 to 30 km/h tending southeast to southwesterly 15 to 25 km/h in the evening then tending northwest to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 18 and 23.

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  • Temperature Forecast Bureau of Meteorology

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Southport Lagoon Temperature Statistics View More

October Temperature

Cape Bruny (18 km)

  • Lowest 13 October, 2026

    4.9 °C

  • Average October

    11.8 °C

  • Highest 9 October, 2026

    22.8 °C

Climate (2021–2026)

Cape Bruny (18 km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.6 °C
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