Duffield Island Weather Forecast

    • 13
    • 15

    Shower

    • 14
    • 15

    Cloudy

    • 14
    • 15

    Partly cloudy

    • 14
    • 15

    Cloudy

    • 14
    • 15

    Shower

    • 14
    • 14

    Shower

    • 13
    • 15

    Partly cloudy

Today 20 Aug Lower Eyre Peninsula

Becoming cloudy. Medium chance of showers, most likely in the late morning and afternoon. Winds northwesterly 15 to 25 km/h turning west to southwesterly 20 to 30 km/h in the late morning and early afternoon. Daytime maximum temperatures around 18.

Spencer Gulf Coastal Waters

Wind
Northwesterly 10 to 15 knots turning southwesterly in the afternoon.
Seas
Below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A cold front clears to the east Wednesday evening. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday, as a ridge of high pressure is expected to approach South Australia from the west. The high centre is expected to linger over the state on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duffield Island Temperature Statistics View More

August Temperature

Port Lincoln Airport (40km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    12.2 °C

  • Highest 18 August, 2026

    20.3 °C

Climate (2021–2026)

Port Lincoln Airport (40km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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