Riddoch Bay Weather Forecast

    • 4
    • 17

    Showers

    • 12
    • 17

    Rain

    • 13
    • 19

    Rain

    • 12
    • 17

    Showers easing

    • 9
    • 15

    Showers

    • 9
    • 14

    Shower or two

    • 7
    • 15

    Possible shower

Today 15 Jun Mount Gambier

Cloudy. Very high chance of showers. Winds northerly 20 to 25 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 20 to 25 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy. 95% chance of rain.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over the northeast of SA. A low pressure system will develop over the Bight on Monday then will remain slow-moving until later Thursday when it will move eastwards. An associated cold front will move across SA during Wednesday followed by a second front later Thursday. A high pressure ridge will move across from the west over the weekend.
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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 14 June, 2026

    2.6 °C

  • Average June

    11.5 °C

  • Highest 12 June, 2026

    20.1 °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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