Jetty Rock Weather Forecast

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    • 16

    Shower

    • 10
    • 15

    Shower

    • 9
    • 16

    Shower

    • 9
    • 15

    Shower

    • 7
    • 17

    Shower

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    • 17

    Shower

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    Shower

Today 19 Aug Lower South East

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds northwesterly 15 to 25 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 15 to 20 knots, reaching up to 30 knots south of Beachport.
Seas
2 metres, increasing to 2.5 to 3 metres south of Port MacDonnell.
1st Swell
Westerly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A cold front clears to the east Wednesday evening. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday, as a ridge of high pressure is expected to approach South Australia from the west. The high centre is expected to linger over the state on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jetty Rock Temperature Statistics View More

August Temperature

Mount Gambier Airport (35km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    10.4 °C

  • Highest 17 August, 2026

    19 °C

Climate (2021–2026)

Mount Gambier Airport (35km)

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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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