Riddoch Bay Weather Forecast

    • 11
    • 15

    Cloudy

    • 9
    • 15

    Partly cloudy

    • 4
    • 18

    Partly cloudy

    • 9
    • 16

    Morning showers

    • 6
    • 18

    Mostly sunny

    • 8
    • 23

    Sunny

    • 14
    • 21

    Showers

Today 3 Oct Mount Gambier

Cloudy. Winds south to southeasterly 20 to 30 km/h becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southeasterly 15 to 25 knots, reaching up to 30 knots inshore in the late morning. Winds decreasing to 10 to 15 knots in the late evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A low pressure system developing in Victoria will move east. In the west, a high pressure system will move into the Bight and slowly move east to be centred over Victoria on Monday, while extending a ridge into parts of the state. Another trough near the WA border is expected to develop from Saturday and extend into the state before weakening by Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

October Temperature

Mount Gambier Airport (33km)

  • Lowest 2 October, 2026

    11.4 °C

  • Average October

    13.6 °C

  • Highest 1 October, 2026

    17 °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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