MacDonnell Bay Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 11
    • 22

    Sunny

    • 10
    • 24

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 14
    • 22

    Shower

    • 14
    • 21

    Shower

Today 19 Mar Lower South East

Mostly sunny. Winds southeasterly 15 to 20 km/h tending southerly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures in the low to high 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots inshore in the afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Mostly sunny.
Weather Situation
A weak ridge of high pressure will remain along the coast during the next few days.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

March Temperature

Mount Gambier Airport (34km)

  • Lowest 10 March, 2026

    7.2 °C

  • Average March

    16.1 °C

  • Highest 10 March, 2026

    30.4 °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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