Longs Rock Weather Forecast

    • 3
    • 15

    Partly cloudy

    • 4
    • 19

    Sunny

    • 10
    • 23

    Cloudy

    • 13
    • 19

    Shower

    • 12
    • 17

    Shower

    • 10
    • 22

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 22 Sep Lower South East

Sunny. Areas of morning frost. Light winds. Daytime maximum temperatures around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Longs Rock Temperature Statistics View More

September Temperature

Mount Gambier Airport (39km)

  • Lowest 8 September, 2026

    0.3 °C

  • Average September

    11.7 °C

  • Highest 19 September, 2026

    25.8 °C

Climate (2021–2026)

Mount Gambier Airport (39km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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