Duffield Island Weather Forecast

    • 16
    • 18

    Windy

    • 16
    • 19

    Partly cloudy

    • 18
    • 21

    Sunny

    • 21
    • 22

    Sunny

    • 21
    • 22

    Partly cloudy

    • 18
    • 18

    Windy

    • 16
    • 17

    Windy

Today 25 Dec Lower Eyre Peninsula

Mostly clear. Winds southeasterly 25 to 40 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure centre lies south of the Bight and will slowly continue eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State. The trough is expected to reach central parts on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duffield Island Temperature Statistics View More

December Temperature

Port Lincoln Airport (40km)

  • Lowest 7 December, 2025

    8.1 °C

  • Average December

    18.6 °C

  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (40km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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