Riddoch Bay Weather Forecast

    • 5
    • 15

    Partly cloudy

    • 3
    • 16

    Possible shower

    • 8
    • 15

    Showers

    • 8
    • 13

    Rain

    • 8
    • 14

    Showers easing

    • 8
    • 15

    Showers

    • 7
    • 13

    Showers

Today 6 Aug Mount Gambier

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds southwesterly 15 to 20 km/h becoming light in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 10 to 15 knots becoming variable below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over SA until Saturday. A strong cold front will then begin to move into the Bight and move east over the state from late Saturday and throughout Sunday. Another cold front is then forecast to move into the Bight from late Monday.
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

    8.8 °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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