Longs Rock Weather Forecast

    • 13
    • 19

    Cloudy

    • 11
    • 18

    Shower

    • 11
    • 19

    Shower

    • 12
    • 18

    Cloudy

    • 13
    • 19

    Shower

    • 11
    • 19

    Cloudy

    • 11
    • 21

    Partly cloudy

Today 20 Dec Lower South East

Partly cloudy. Winds southwesterly 15 to 20 km/h tending southerly 15 to 25 km/h in the early morning then becoming light in the late evening. Overnight temperatures falling to around 11 with daytime temperatures reaching 21 to 28.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell early in the morning. Winds turning southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, tending southerly 2 metres by early evening.
Weather
Cloudy.
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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

    16.3 °C

  • Highest 18 December, 2025

    38.9 °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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