Riddoch Bay Weather Forecast

    • 10
    • 18

    Shower or two

    • 11
    • 19

    Cloudy

    • 8
    • 26

    Partly cloudy

    • 14
    • 20

    Showers easing

    • 11
    • 19

    Possible shower

    • 9
    • 20

    Shower or two

    • 13
    • 20

    Shower or two

Today 28 Oct Mount Gambier

Cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds westerly 15 to 25 km/h tending southwesterly in the early afternoon then becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots, reaching up to 20 knots south of Beachport during the day. Winds turning southwesterly in the late morning and early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight extends a ridge over southern parts of the state. The high will drift eastward over the coming days, clearing east of Australia from Thursday. A trough and low pressure system are then forecast to track into western SA on Thursday, crossing the rest of the state on Friday, and then clearing the east early Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

October Temperature

Mount Gambier Airport (33 km)

  • Lowest 26 October, 2026

    2.7 °C

  • Average October

    14.4 °C

  • Highest 22 October, 2026

    32.8 °C

Climate (2021–2026)

Mount Gambier Airport (33 km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.8 °C

  • Average High 2021–2026

    20.1 °C
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