Riddoch Bay Weather Forecast

    • 5
    • 16

    Morning fog then mostly sunny

    • 6
    • 16

    Partly cloudy

    • 5
    • 18

    Cloud clearing

    • 9
    • 20

    Showers increasing

    • 9
    • 15

    Shower or two

    • 11
    • 16

    Showers

    • 10
    • 17

    Showers

Today 29 Aug Mount Gambier

Patchy morning fog. Mostly sunny afternoon. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
Over the weekend, a high pressure system to the south of SA is forecast to continue extending a ridge across the state, as it moves slowly east, to be centred over Victoria by Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge pushes in behind the front.
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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 1 August, 2026

    0.3 °C

  • Average August

    10.5 °C

  • Highest 17 August, 2026

    19 °C

Climate (2021–2026)

Mount Gambier Airport (33km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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