Southport Lagoon Weather Forecast

    • 9
    • 14

    Partly cloudy

    • 9
    • 16

    Cloudy

    • 8
    • 14

    Late shower or two

    • 8
    • 14

    Showers

    • 7
    • 12

    Showers

    • 4
    • 9

    Showers

    • 5
    • 11

    Showers

Today 18 Jul South East

Partly cloudy. Slight chance of a shower in the south, most likely this evening. Near zero chance of rain elsewhere. Winds northwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 11 and 15.

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Southport Lagoon Temperature Statistics View More

July Temperature

Cape Bruny (18km)

  • Lowest 6 July, 2026

    4.3 °C

  • Average July

    9.3 °C

  • Highest 16 July, 2026

    15.8 °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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