Riddoch Bay Weather Forecast

    • 10
    • 14

    Shower or two

    • 9
    • 16

    Showers increasing

    • 12
    • 18

    Showers

    • 9
    • 17

    Partly cloudy

    • 8
    • 17

    Mostly sunny

    • 9
    • 18

    Mostly sunny

    • 12
    • 17

    Showers

Today 4 Jun Mount Gambier

Cloudy. High chance of showers. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late afternoon then becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the late morning and early afternoon.
Seas
2 to 3 metres.
1st Swell
Southerly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A broad southwesterly flow over SA waters will tend west to northwesterly as a high pressure system over southern WA moves steadily eastwards across northern SA on Friday and Saturday, reaching NSW on Sunday and the Tasman Sea by Monday. Northerly winds freshen from the west on Tuesday ahead of a mid-week southwesterly change.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

June Temperature

Mount Gambier Airport (33km)

  • Lowest 1 June, 2026

    6.9 °C

  • Average June

    11.3 °C

  • Highest 2 June, 2026

    16.8 °C

Climate (2021–Present)

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 °C
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