Longs Rock Weather Forecast

    • 17
    • 24

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 12
    • 18

    Shower

    • 10
    • 17

    Cloudy

    • 11
    • 19

    Shower

    • 13
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

Today 4 Dec Lower South East

Partly cloudy. The chance of a thunderstorm with little or no rainfall in the afternoon and evening. Winds west to northwesterly 25 to 40 km/h turning south to southwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 25 to 32.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly 10 to 15 knots turning south to southwesterly in the afternoon. Winds reaching up to 20 knots inshore in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. The chance of a thunderstorm with little or no rainfall inshore in the afternoon and evening.
Weather Situation
A ridge of high pressure extends over SA from the east, as a low pressure trough moves into the west during the morning. The trough is expected to move eastwards during Thursday. A ridge of high pressure is then forecast to build over the Bight on Friday and a weak cold front will move across the southern coastal districts on Saturday. The high will slowly move eastwards on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Longs Rock Temperature Statistics View More

December Temperature

Mount Gambier Airport (39km)

  • Lowest 2 December, 2025

    7.7 °C

  • Average December

    12.7 °C

  • Highest 2 December, 2025

    19 °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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