Riddoch Bay Weather Forecast

    • 12
    • 17

    Becoming windy. Cloudy

    • 10
    • 16

    Cloudy

    • 8
    • 20

    Cloud clearing

    • 9
    • 31

    Sunny

    • 12
    • 29

    Sunny

    • 14
    • 23

    Partly cloudy

    • 13
    • 21

    Possible shower

Today 14 Dec Mount Gambier

Cloudy. Slight chance of a shower, most likely in the morning. Winds westerly 25 to 35 km/h tending southwesterly 25 to 40 km/h in the morning then decreasing to 15 to 25 km/h in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly 20 to 25 knots, reaching up to 30 knots south of Port MacDonnell during the morning and early afternoon. Winds tending south to southwesterly 15 to 20 knots during the day.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather
Cloudy.
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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 7 December, 2025

    4.7 °C

  • Average December

    15.2 °C

  • Highest 12 December, 2025

    32.6 °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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