MacDonnell Bay Weather Forecast

    • 9
    • 19

    Clear

    • 7
    • 22

    Sunny

    • 10
    • 22

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 12
    • 20

    Shower

    • 13
    • 20

    Shower

    • 12
    • 19

    Shower

Today 11 May Lower South East

Clear. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 10 to 15 knots turning easterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Clear.
Weather Situation
A strong high pressure system south of SA is slowly moving east, reaching the Tasman Sea by Wednesday. A trough of low pressure moves into the far west late on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

May Temperature

Mount Gambier Airport (34km)

  • Lowest 7 May, 2026

    5.5 °C

  • Average May

    14 °C

  • Highest 1 May, 2026

    28.5 °C

Climate (2021–Present)

Mount Gambier Airport (34km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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