Port Macdonnell Weather Forecast

    • 13
    • 20

    Shower

    • 11
    • 20

    Shower

    • 12
    • 16

    Cloudy

    • 5
    • 18

    Partly cloudy

    • 8
    • 22

    Shower

    • 11
    • 19

    Cloudy

    • 9
    • 23

    Partly cloudy

Today 15 Apr Lower South East

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds west to northwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures in the low 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots south of Beachport in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure system centred over the south of SA will move slowly eastwards this week and a cold front will move across the far southeast of SA on Thursday. A second high pressure system is expected to follow and will become established south of the Bight late Thursday then will move eastwards during Friday and Saturday. A trough will move over the far west on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Temperature Statistics View More

April Temperature

Mount Gambier Airport (34km)

  • Lowest 4 April, 2026

    3.6 °C

  • Average April

    14.1 °C

  • Highest 5 April, 2026

    25.3 °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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