Riddoch Bay Weather Forecast

    • 10
    • 15

    Possible shower

    • 7
    • 15

    Showers increasing

    • 8
    • 14

    Showers easing

    • 10
    • 15

    Shower or two

    • 9
    • 15

    Shower or two

    • 6
    • 14

    Cloudy

    • 6
    • 15

    Partly cloudy

Today 10 Aug Mount Gambier

Cloudy. Medium chance of showers, becoming less likely later this evening. Winds southwesterly 15 to 25 km/h becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots turning westerly in the evening.
Seas
2 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A high pressure system is located just to the northeast of the state, ahead of a cold front forecast to move across the state from Tuesday and early Wednesday. A ridge of high pressure then pushes into the west of the state on Wednesday, with the associated high moving over the rest of SA on Thursday.
Graph Plots Open in Graphs

  • 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

    9.4 °C

  • Highest 2 August, 2026

    15.7 °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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