Riddoch Bay Weather Forecast

    • 9
    • 15

    Possible shower

    • 7
    • 16

    Possible shower

    • 9
    • 14

    Showers

    • 8
    • 12

    Shower or two

    • 7
    • 13

    Shower or two

    • 6
    • 14

    Partly cloudy

    • 4
    • 14

    Partly cloudy

Today 26 Jul Mount Gambier

Cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds westerly 15 to 20 km/h becoming light in the early afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots turning northwesterly in the early afternoon. Winds reaching up to 20 knots south of Beachport in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A strong high pressure system centred over the state will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

July Temperature

Mount Gambier Airport (33km)

  • Lowest 7 July, 2026

    -1.1 °C

  • Average July

    9.4 °C

  • Highest 1 July, 2026

    16.7 °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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