Riddoch Bay Weather Forecast

    • 2
    • 16

    Partly cloudy

    • 8
    • 14

    Showers easing

    • 8
    • 15

    Rain

    • 8
    • 13

    Showers easing

    • 7
    • 14

    Showers

    • 7
    • 14

    Showers

    • 9
    • 15

    Shower or two

Today 7 Aug Mount Gambier

Partly cloudy. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 10 to 15 knots, reaching up to 20 knots north of Beachport in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over eastern SA until Saturday. A vigorous cold front will move across the west late Saturday then moving across remaining parts of the State on Sunday. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
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

    8.5 °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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