Duffield Island Weather Forecast

    • 17
    • 18

    Partly cloudy

    • 15
    • 16

    Partly cloudy

    • 16
    • 19

    Sunny

    • 17
    • 19

    Partly cloudy

    • 17
    • 19

    Partly cloudy

    • 17
    • 21

    Partly cloudy

    • 19
    • 21

    Partly cloudy

Today 6 Dec Lower Eyre Peninsula

Partly cloudy. The chance of a thunderstorm. Winds southerly 15 to 25 km/h.

Spencer Gulf Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo.
Seas
2 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A high pressure system is building west of the Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.
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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 2 December, 2025

    8.5 °C
  • Average December

    18.5 °C
  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (40km)

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  • Average Low 2020–2025

    11.4 °C
  • Average 2020–2025

    15.7 °C
  • Average High 2020–2025

    21.3 °C
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