Riddoch Bay Weather Forecast

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    Showers

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    Showers

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    • 15

    Shower or two

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    Showers

    • 7
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    Shower or two

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    Showers

Today 22 Jul Mount Gambier

Cloudy. The chance of fog early this morning. Very high chance of showers, becoming less likely in the late morning. The chance of a thunderstorm early this morning. Winds northwesterly 15 to 20 km/h tending westerly 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
Westerly 15 to 20 knots turning southwesterly in the late morning and early afternoon. Winds reaching up to 25 knots south of Beachport early in the morning and again in the late evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres later in the evening.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm south of Beachport early this morning.
Weather Situation
A series of weak cold fronts will cross the south of the State during today. A ridge of high pressure will build over the west of the State from later Wednesday, with the high centre expected to cross South Australia on Friday and Saturday.
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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