MacDonnell Bay Weather Forecast

    • 12
    • 19

    Cloudy

    • 13
    • 20

    Cloudy

    • 14
    • 20

    Cloudy

    • 15
    • 19

    Shower

    • 15
    • 20

    Windy

    • 15
    • 24

    Windy

    • 16
    • 26

    Partly cloudy

Today 12 Jan Lower South East

Mostly clear. Winds south to southeasterly 20 to 30 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots north of Port MacDonnell.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Beachport.
1st Swell
Southwesterly 1.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge south of SA will persist over the coming days, with a high centre moving to the south of the Bight mid week. The high will continue moving eastwards into the Tasman Sea later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

January Temperature

Mount Gambier Airport (34km)

  • Lowest 1 January, 2026

    6.9 °C

  • Average January

    18.3 °C

  • Highest 7 January, 2026

    41.6 °C

Climate (2021–Present)

Mount Gambier Airport (34km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.9 °C
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