Longs Rock Weather Forecast

    • 10
    • 19

    Partly cloudy

    • 13
    • 18

    Shower

    • 11
    • 17

    Cloudy

    • 11
    • 20

    Shower

    • 12
    • 19

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 9
    • 22

    Windy

Today 5 Dec Lower South East

Mostly sunny. The chance of fog early this morning. Slight chance of a shower this evening. Light winds becoming west to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 20 to 27.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
East to southeasterly below 10 knots becoming north to northwesterly in the early morning then tending west to northwesterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A low pressure trough will linger over the northeast and far north today as a ridge of high pressure builds over the south. The trough will clear to the northeast of SA late Saturday. A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week.
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

    16.2 °C

  • Highest 3 December, 2025

    28.6 °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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