Cape Douglas Weather Forecast

    • 11
    • 15

    Shower

    • 6
    • 17

    Shower

    • 8
    • 18

    Shower

    • 9
    • 16

    Shower

    • 6
    • 16

    Partly cloudy

    • 6
    • 19

    Shower

    • 8
    • 17

    Shower

Today 22 Aug Lower South East

Cloudy. Medium chance of showers, most likely in the morning. Winds westerly 15 to 25 km/h tending southwesterly in the morning then becoming light in the late afternoon. Overnight temperatures falling to around 9 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly 15 to 20 knots, reaching up to 30 knots south of Beachport early in the morning. Winds decreasing to about 10 knots in the late afternoon.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Temperature Statistics View More

August Temperature

Mount Gambier Airport (35km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    10.3 °C

  • Highest 17 August, 2026

    19 °C

Climate (2021–2026)

Mount Gambier Airport (35km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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