Duffield Island Weather Forecast

    • 15
    • 21

    Clear

    • 17
    • 21

    Shower

    • 16
    • 16

    Shower

    • 16
    • 19

    Storm

    • 15
    • 15

    Shower

    • 14
    • 15

    Cloudy

    • 15
    • 17

    Shower

Today 18 Oct Lower Eyre Peninsula

Clear. Winds northerly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the afternoon and evening. Winds turning northerly in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
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 weakening ridge over the eastern waters will be cleared by a trough pushing in from the west early Sunday. This trough and an embedded low will move inland with another low pressure system moving into the Bight by Tuesday. A series of troughs and a cold front will move over coastal waters with the passing of this low through the mid week before a ridge extends over waters late by Wednesday.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duffield Island Temperature Statistics View More

October Temperature

Port Lincoln Airport (40km)

  • Lowest 15 October, 2025

    4.8 °C
  • Average October

    15 °C
  • Highest 4 October, 2025

    34 °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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