Riddoch Bay Weather Forecast

    • 9
    • 18

    Windy. Mostly clear

    • 10
    • 16

    Showers easing. Wind easing

    • 7
    • 17

    Partly cloudy

    • 8
    • 20

    Showers increasing

    • 12
    • 17

    Showers easing

    • 7
    • 16

    Partly cloudy

    • 7
    • 16

    Showers

Today 9 Jun Mount Gambier

Sunny. Winds northerly 20 to 30 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 25 to 30 knots, reaching up to 35 knots offshore in the late evening.
Seas
1.5 to 2 metres, increasing to 2.5 to 3 metres offshore.
1st Swell
West to southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure system over the Tasman Sea is responsible for a ridge hovering over the north of the state. A cold front will slide over the south of SA overnight, while the ridge persists into Thursday. Northerly winds will freshen ahead of a second cold front expected overnight Friday or Saturday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

June Temperature

Mount Gambier Airport (33km)

  • Lowest 5 June, 2026

    4.7 °C

  • Average June

    11 °C

  • Highest 6 June, 2026

    17.8 °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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