Riddoch Bay Weather Forecast

    • 10
    • 20

    Mostly clear

    • 11
    • 19

    Shower or two. Becoming windy

    • 10
    • 18

    Cloudy

    • 10
    • 21

    Possible shower

    • 11
    • 19

    Partly cloudy

    • 9
    • 19

    Mostly sunny

    • 9
    • 19

    Mostly sunny

Today 5 Dec Mount Gambier

Mostly clear. Winds westerly 15 to 20 km/h becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure system develops south of the Bight on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

December Temperature

Mount Gambier Airport (33km)

  • Lowest 2 December, 2025

    7.7 °C

  • Average December

    16.2 °C

  • Highest 3 December, 2025

    28.6 °C

Climate (2020–Present)

Mount Gambier Airport (33km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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