Lewis Island Weather Forecast

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    Shower

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    Shower

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    Shower

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    • 15

    Shower

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    • 15

    Shower

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    Cloudy

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    Partly cloudy

Today 25 Jul Lower Eyre Peninsula

Partly cloudy. Medium chance of showers. Winds west to southwesterly 15 to 25 km/h becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system centred over the Bight will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

July Temperature

Port Lincoln Airport (42km)

  • Lowest 18 July, 2026

    0.9 °C

  • Average July

    11.3 °C

  • Highest 18 July, 2026

    18.9 °C

Climate (2021–2026)

Port Lincoln Airport (42km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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