Racecourse Bay Weather Forecast

    • 13
    • 18

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 21

    Cloudy

    • 9
    • 28

    Sunny

    • 14
    • 33

    Partly cloudy

    • 17
    • 28

    Shower

Today 24 Dec Lower South East

Cloudy. Winds southwesterly 25 to 30 km/h turning southerly 20 to 30 km/h in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A broad ridge of high pressure persists across South Australia this week as the high pressure centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Racecourse Bay Temperature Statistics View More

December Temperature

Mount Gambier Airport (34km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.8 °C

  • Highest 18 December, 2025

    38.9 °C

Climate (2020–Present)

Mount Gambier Airport (34km)

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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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