Riddoch Bay Weather Forecast

    • 11
    • 15

    Showers increasing

    • 11
    • 17

    Shower or two

    • 7
    • 18

    Partly cloudy

    • 6
    • 18

    Partly cloudy

    • 9
    • 17

    Cloudy

    • 9
    • 16

    Shower or two

    • 8
    • 16

    Shower or two

Today 19 May Mount Gambier

Partly cloudy. High chance of showers, most likely this evening. 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 turning westerly in the evening.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A ridge of high pressure lies across SA. A cold front clipped the southeast this morning, followed by a high pressure system which becomes dominant. The high is expected to move into the Tasman Sea by Friday as a cold front moves across the Bight.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

May Temperature

Mount Gambier Airport (33km)

  • Lowest 7 May, 2026

    5.5 °C

  • Average May

    14 °C

  • Highest 1 May, 2026

    28.5 °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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