Port MacDonnell Lighthouse Weather Forecast

    • 11
    • 16

    Shower

    • 9
    • 15

    Shower

    • 9
    • 16

    Shower

    • 9
    • 15

    Shower

    • 7
    • 17

    Shower

    • 8
    • 17

    Shower

    • 9
    • 14

    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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port MacDonnell Lighthouse Temperature Statistics View More

August Temperature

Mount Gambier Airport (35km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    10.1 °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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