Racecourse Bay Weather Forecast

    • 12
    • 20

    Partly cloudy

    • 12
    • 17

    Windy

    • 10
    • 16

    Cloudy

    • 8
    • 20

    Cloudy

    • 8
    • 30

    Sunny

    • 12
    • 30

    Partly cloudy

    • 14
    • 25

    Partly cloudy

Today 13 Dec Lower South East

Partly cloudy. The chance of a thunderstorm in the north this morning. Winds southerly 15 to 20 km/h turning west to southwesterly 25 to 35 km/h in the afternoon. Daytime maximum temperatures 21 to 29.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 15 to 20 knots turning westerly in the late afternoon. Winds reaching up to 25 knots south of Port MacDonnell in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A slow moving broad high pressure system in the Indian Ocean will build a ridge across coastal waters on today and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
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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

    14.8 °C
  • Highest 3 December, 2025

    28.6 °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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