Riddoch Bay Weather Forecast

    • 11
    • 24

    Shower or two

    • 11
    • 15

    Partly cloudy

    • 10
    • 14

    Shower or two

    • 9
    • 15

    Cloudy

    • 6
    • 18

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 11
    • 23

    Mostly sunny

Today 11 Oct Mount Gambier

Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds northwesterly 20 to 30 km/h becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell in the late afternoon. Winds turning westerly 10 to 15 knots in the evening.
Seas
1 to 2 metres, decreasing to 1 metre later in the evening.
1st Swell
West to southwesterly 4 to 5 metres.
Weather
Partly cloudy. The chance of a thunderstorm north of Port MacDonnell.
Weather Situation
A trough and cold front located about central parts of SA continue crossing the state and clear to the east from Monday morning. A cool southwesterly airstream will follow as a high pressure system drifts eastwards across the Bight early this week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

October Temperature

Mount Gambier Airport (33 km)

  • Lowest 7 October, 2026

    2.8 °C

  • Average October

    13 °C

  • Highest 8 October, 2026

    25 °C

Climate (2021–2026)

Mount Gambier Airport (33 km)

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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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