MacDonnell Bay Weather Forecast

    • 9
    • 16

    Partly cloudy

    • 7
    • 17

    Shower

    • 10
    • 15

    Shower

    • 8
    • 13

    Shower

    • 5
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 14

    Shower

Today 11 Jul Lower South East

Partly cloudy. High chance of showers, most likely during the morning and afternoon. Winds westerly 20 to 30 km/h becoming light in the late afternoon. Daytime maximum temperatures around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell in the late morning. Winds tending west to northwesterly 10 to 15 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 4 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A front over Victoria will clear to the east tonight as a high pressure system crosses NSW and extends a ridge over Victoria on Saturday. Northwesterly winds will strengthen on Sunday ahead of a cold front that is forecast to enter the southwest of the State during the afternoon, reaching central waters at night. Another cold front will approach from the west on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

July Temperature

Mount Gambier Airport (34km)

  • Lowest 3 July, 2025

    0.4 °C

  • Average July

    8.5 °C

  • Highest 5 July, 2025

    16.6 °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

    20 °C
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