Winceby Island Weather Forecast

    • 12
    • 15

    Sunny

    • 13
    • 16

    Cloudy

    • 13
    • 15

    Partly cloudy

    • 13
    • 14

    Partly cloudy

    • 13
    • 16

    Shower

    • 16
    • 17

    Shower

    • 13
    • 13

    Shower

Today 20 Aug Lower Eyre Peninsula

Mostly sunny. Winds north to northeasterly 25 to 40 km/h. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 19.

Spencer Gulf Coastal Waters

Wind
Northeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Sunny.
Weather Situation
A high pressure system east of Tasmania will maintain a ridge across SA for most of this week, before a cold front starts to move across the Bight on Thursday. Another high will extend a ridge over SA on Friday before becoming established in the Bight on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Winceby Island Temperature Statistics View More

August Temperature

Port Lincoln Airport (39km)

  • Lowest 14 August, 2025

    2.7 °C

  • Average August

    11 °C

  • Highest 14 August, 2025

    20.9 °C

Climate (2020–Present)

Port Lincoln Airport (39km)

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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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