Brown Beach Weather Forecast

    • 11
    • 17

    Cloudy

    • 11
    • 18

    Partly cloudy

    • 10
    • 23

    Cloud clearing

    • 11
    • 30

    Sunny

    • 15
    • 33

    Partly cloudy

    • 15
    • 21

    Possible shower

    • 12
    • 17

    Cloudy

Today 25 Dec Mount Gambier

Cloudy. Winds southerly 25 to 35 km/h becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Cloudy.
Weather Situation
A high pressure centre lies south of the Bight and will slowly continue 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. The trough is expected to reach central parts on Monday.
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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

    15.8 °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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