Riddoch Bay Weather Forecast

    • 11
    • 19

    Cloudy

    • 8
    • 27

    Possible late shower

    • 14
    • 19

    Showers easing

    • 11
    • 19

    Shower or two

    • 8
    • 20

    Shower or two

    • 13
    • 20

    Shower or two

    • 10
    • 18

    Shower or two

Today 29 Oct Mount Gambier

Cloudy. The chance of fog early this morning. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly about 10 knots becoming east to southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Cloudy.
Weather Situation
A high pressure system south of WA extends a ridge over southern parts of the state while a weak trough lies across central Australia near the norther border. The high will drift over the southeast today and into the Tasman Sea on Friday, allowing a trough and low pressure system to move across SA on Friday. A brief high pressure system settles over SA on Saturday before another trough and low starts to move across from WA on Sunday.
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

    14.3 °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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