Port Macdonnell Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 10
    • 19

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 9
    • 24

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 11
    • 18

    Shower

    • 10
    • 17

    Cloudy

Today 9 Dec Lower South East

Mostly sunny. Winds southerly 15 to 25 km/h turning southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 20 to 26.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southwesterly 10 to 15 knots turning southeasterly in the afternoon. Winds reaching up to 20 knots north of Beachport in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Mostly sunny.
Weather Situation
A broad ridge extends over coastal waters. From today another high pressure system develops south of the Bight, strengthening the ridge. A trough is expected to move across coastal waters on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Temperature Statistics View More

December Temperature

Mount Gambier Airport (34km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    14.5 °C

  • Highest 3 December, 2025

    28.6 °C

Climate (2020–Present)

Mount Gambier Airport (34km)

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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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