Southport Lagoon Weather Forecast

    • 4
    • 13

    Partly cloudy

    • 5
    • 16

    Mostly sunny

    • 7
    • 17

    Shower or two

    • 8
    • 15

    Showers

    • 7
    • 14

    Showers

    • 7
    • 13

    Shower or two

    • 7
    • 14

    Showers

Today 17 Aug South East

Partly cloudy. Areas of frost and the chance of fog in the morning. Light winds. Overnight temperatures falling to between 1 and 5 with daytime temperatures reaching between 11 and 16.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southport Lagoon Temperature Statistics View More

August Temperature

Cape Bruny (18km)

  • Lowest 5 August, 2026

    4.7 °C

  • Average August

    9.7 °C

  • Highest 9 August, 2026

    15.7 °C

Climate (2021–2026)

Cape Bruny (18km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.5 °C
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