Brown Beach Weather Forecast

    • 11
    • 30

    Clear

    • 15
    • 37

    Partly cloudy

    • 14
    • 19

    Cloudy

    • 12
    • 18

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 28 Dec Mount Gambier

Clear. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly in the late afternoon then becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre, increasing to 1.5 metres by early evening, then increasing to 1.5 to 2 metres later in the evening.
Weather
Clear.
Weather Situation
A high pressure high centre sits over the Tasman Sea today while a trough builds over western SA. The trough slowly moves eastward on Monday and Tuesday while another high centre moves south of the Bight from the west. The trough is expected to linger near the far northeast of SA on Wednesday and Thursday with a persistent ridge of high pressure south of the Bight.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brown Beach Temperature Statistics View More

December Temperature

Mount Gambier Airport (33km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.6 °C

  • Highest 18 December, 2025

    38.9 °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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