Brown Beach Weather Forecast

    • 13
    • 18

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 9
    • 28

    Sunny

    • 14
    • 33

    Mostly sunny

    • 17
    • 28

    Partly cloudy

Today 24 Dec Mount Gambier

Cloudy. Slight chance of a shower in the late morning and early afternoon. Winds southwesterly 25 to 30 km/h tending southerly 15 to 25 km/h in the evening then becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell in the late morning. Winds turning southerly in the late afternoon.
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 ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast this morning.
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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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