Riddoch Bay Weather Forecast

    • 8
    • 12

    Showers

    • 8
    • 14

    Shower or two

    • 10
    • 15

    Showers easing

    • 10
    • 15

    Showers

    • 9
    • 15

    Shower or two

    • 7
    • 14

    Showers

    • 7
    • 14

    Shower or two

Today 23 Jul Mount Gambier

Partly cloudy. High chance of showers, most likely in the late morning and afternoon. Light winds becoming southwesterly 15 to 25 km/h in the morning then becoming light in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots, reaching up to 30 knots south of Beachport during the afternoon and evening.
Seas
1.5 metres, increasing to 1.5 to 2.5 metres south of Beachport.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 80% chance of showers, with possible small hail south of Port MacDonnell during the morning and afternoon.
Weather Situation
A high pressure system will slowly approach South Australia from the west throughout today, then move over the State on Friday and Saturday. The high is expected to move to the north of South Australia during Sunday, with a trough to build over the west of the State in the evening.
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

    9.3 °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 °C
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