MacDonnell Bay Weather Forecast

    • 11
    • 21

    Shower

    • 13
    • 17

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 8
    • 26

    Shower

    • 15
    • 24

    Shower

    • 14
    • 18

    Cloudy

    • 11
    • 25

    Shower

Today 2 Apr Lower South East

Partly cloudy. Medium chance of showers in the south, most likely later this evening. Near zero chance of rain elsewhere. Winds westerly 20 to 30 km/h turning southwesterly 15 to 20 km/h in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell during the afternoon and evening. Winds turning southerly in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Beachport.
1st Swell
Westerly 2.5 to 3 metres, tending southwesterly 2.5 to 3 metres later in the evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of Western Australia extends a ridge over South Australia. The tail end of a cold front will brush the southeast corner of SA tonight. The high is forecast to move east on Friday to be southeast of Tasmania by Sunday allowing another weak front to brush over coastal parts of SA Sunday night and Monday. Another high pressure system is expected to follow early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

MacDonnell Bay Temperature Statistics View More

April Temperature

Mount Gambier Airport (34km)

  • Lowest 1 April, 2026

    15.7 °C

  • Average April

    18.6 °C

  • Highest

    –

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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