Riddoch Bay Weather Forecast

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    • 14

    Shower or two

    • 9
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    Showers

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    • 16

    Shower or two

    • 6
    • 16

    Showers

    • 8
    • 14

    Shower or two

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    Shower or two

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    Shower or two

Today 30 Aug Mount Gambier

Cloudy. Medium chance of showers. Winds southwesterly 20 to 30 km/h tending westerly 15 to 20 km/h in the late afternoon then becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southwesterly 25 to 30 knots, reaching up to 35 knots south of Port MacDonnell early in the morning. Winds tending west to southwesterly 15 to 20 knots in the late morning and early afternoon.
Seas
2.5 to 3 metres, decreasing below 2 metres around midday.
1st Swell
Southwesterly 4 to 6 metres, decreasing to 4 metres by early evening.
Weather
Cloudy. 70% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

August Temperature

Mount Gambier Airport (33km)

  • Lowest 2 August, 2025

    0 °C

  • Average August

    10.1 °C

  • Highest 21 August, 2025

    19 °C

Climate (2020–Present)

Mount Gambier Airport (33km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.7 °C

  • Average High 2020–2025

    20 °C
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