Port MacDonnell Lighthouse Weather Forecast

    • 15
    • 36

    Cloudy

    • 14
    • 19

    Cloudy

    • 11
    • 18

    Windy

    • 11
    • 20

    Windy

    • 12
    • 25

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 14
    • 23

    Shower

Today 29 Dec Lower South East

Partly cloudy. Winds north to northeasterly 15 to 25 km/h shifting southerly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures 35 to 40.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
East to northeasterly 10 to 15 knots tending northwest to northeasterly in the morning then tending south to southwesterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough lies over western and central parts of SA and will slowly move eastwards today and Tuesday. A ridge of high pressure will begin to move south of the Bight on Tuesday, with the trough expected to move into the northeast on Wednesday and linger there for the remainder of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port MacDonnell Lighthouse Temperature Statistics View More

December Temperature

Mount Gambier Airport (35km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.8 °C

  • Highest 18 December, 2025

    38.9 °C

Climate (2020–Present)

Mount Gambier Airport (35km)

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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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