Duffield Island Weather Forecast

    • 15
    • 17

    Clear

    • 17
    • 21

    Partly cloudy

    • 20
    • 21

    Partly cloudy

    • 16
    • 17

    Shower

    • 17
    • 17

    Windy

    • 15
    • 16

    Partly cloudy

    • 16
    • 18

    Sunny

Today 2 Dec Lower Eyre Peninsula

Clear. Winds northwest to southwesterly 15 to 25 km/h becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the late afternoon then becoming variable about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system over SA will continue to slowly move eastwards to be centred over the Tasman Sea by Wednesday evening. A low pressure trough will then move into the west of SA late Wednesday and extend northeastwards during Thursday, followed by another ridge of high pressure. A weak cold front clips the far southeast Saturday morning.
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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 1 December, 2025

    12.1 °C
  • Average December

    15.4 °C
  • Highest

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

    21.2 °C
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