Riddoch Bay Weather Forecast

    • 12
    • 20

    Shower or two

    • 11
    • 17

    Showers easing

    • 11
    • 15

    Shower or two

    • 10
    • 19

    Showers

    • 10
    • 16

    Shower or two

    • 9
    • 16

    Showers

    • 10
    • 15

    Showers

Today 25 Nov Mount Gambier

Partly cloudy. Medium chance of showers, most likely at night. The chance of a thunderstorm at night, possibly severe with damaging winds. Winds westerly 25 to 35 km/h tending northwesterly in the late afternoon then decreasing to 15 to 20 km/h in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots inshore during the afternoon and evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres inshore.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell by early evening.
Weather
Becoming cloudy. 70% chance of showers. The chance of a thunderstorm at night.
Weather Situation
A low pressure trough persists over the northeast until later in the week. A ridge extends over the south of the state from a high pressure system to the west. A trough and cold front will clip the southeast on Wednesday as the ridge of high pressure moves in from the west, expected to move over the Bight on Thursday. A trough is expected to approach and cross the southeast during Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

November Temperature

Mount Gambier Airport (33km)

  • Lowest 21 November, 2025

    2.4 °C

  • Average November

    12.6 °C

  • Highest 2 November, 2025

    24.5 °C

Climate (2020–Present)

Mount Gambier Airport (33km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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