Riddoch Bay Weather Forecast

    • 9
    • 15

    Showers

    • 9
    • 16

    Showers

    • 9
    • 15

    Shower or two

    • 6
    • 17

    Cloudy

    • 8
    • 17

    Showers

    • 8
    • 14

    Shower or two

    • 6
    • 14

    Shower or two

Today 20 Aug Mount Gambier

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. Winds north to northwesterly 15 to 25 km/h tending west to northwesterly in the middle of the day then becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly 15 to 25 knots, reaching up to 30 knots south of Port MacDonnell early in the morning.
Seas
1.5 to 2.5 metres, decreasing to 1.5 metres by early evening.
1st Swell
Westerly 2.5 to 3 metres.
Weather
Cloudy. 95% chance of showers.
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  • 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

    10.4 °C

  • Highest 17 August, 2026

    19 °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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