Riddoch Bay Weather Forecast

    • 7
    • 16

    Showers

    • 9
    • 15

    Shower or two

    • 7
    • 15

    Cloudy

    • 4
    • 15

    Partly cloudy

    • 5
    • 15

    Mostly sunny

    • 5
    • 16

    Possible shower

    • 8
    • 16

    Shower or two

Today 23 Jun Mount Gambier

Partly cloudy. High chance of showers, most likely this afternoon. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A high pressure system currently over the eastern border will drift into NSW as a weak trough skims the southeast today and into Wednesday morning. A new high will move across waters to the south mid-week to be centred over Tasmania on Thursday, continuing to extend a ridge over SA on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

June Temperature

Mount Gambier Airport (33km)

  • Lowest 22 June, 2026

    0.4 °C

  • Average June

    11.4 °C

  • Highest 12 June, 2026

    20.1 °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 °C
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