MacDonnell Bay Weather Forecast

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    Shower

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    • 15

    Shower

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    Shower

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    Shower

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    • 17

    Shower

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    Shower

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    Partly cloudy

Today 6 May Lower South East

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds southwesterly 25 to 35 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 25 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres by early evening.
Weather
Cloudy. 80% chance of showers south of Beachport, 50% chance elsewhere. Possible small hail south of Port MacDonnell.
Weather Situation
A ridge of high pressure over SA will weaken briefly as a cold front crosses the southeast of the state on Wednesday afternoon. The ridge will re-establish over SA in the wake of the front and stabilise over SA as the main high pressure centre moves over waters south of the Bight over the weekend. The high will then move eastwards early next week to be centred southeast of Tasmania late Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

May Temperature

Mount Gambier Airport (34km)

  • Lowest 5 May, 2026

    10.4 °C
  • Average May

    16 °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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