Longs Rock Weather Forecast

    • 13
    • 17

    Windy

    • 10
    • 17

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 30

    Sunny

    • 14
    • 30

    Sunny

    • 15
    • 26

    Partly cloudy

    • 14
    • 22

    Partly cloudy

Today 14 Dec Lower South East

Cloudy. Winds southwesterly 25 to 40 km/h. Daytime maximum temperatures between 17 and 22.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots south of Port MacDonnell in the late morning and afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of WA extends a ridge over SA. This will persist as the high slowly moves eastwards into the Bight during today, and out to the Tasman Sea by late Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Longs Rock Temperature Statistics View More

December Temperature

Mount Gambier Airport (39km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.2 °C

  • Highest 12 December, 2025

    32.6 °C

Climate (2020–Present)

Mount Gambier Airport (39km)

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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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