Riddoch Bay Weather Forecast

    • 10
    • 15

    Rain

    • 8
    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 8
    • 16

    Cloudy

    • 7
    • 16

    Cloudy

    • 6
    • 18

    Partly cloudy

Today 25 Aug Mount Gambier

Cloudy. Very high chance of rain, most likely in the morning and afternoon. Light winds becoming southerly 15 to 25 km/h in the middle of the day then tending southwesterly in the early afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southeasterly 10 to 15 knots tending south to southwesterly 15 to 20 knots early in the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A low pressure system and associated trough continue moving over southern SA today and will move into the eastern states this evening. A high pressure system will move in from the west to be over SA on Wednesday. Another trough approaches the southwest during Thursday evening, and may linger about the western parts of SA before another high moves across the south over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

August Temperature

Mount Gambier Airport (33km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    10.5 °C

  • Highest 17 August, 2026

    19 °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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