Lewis Island Weather Forecast

    • 12
    • 20

    Partly cloudy

    • 11
    • 18

    Shower

    • 12
    • 18

    Shower

    • 12
    • 19

    Shower

    • 13
    • 19

    Shower

    • 12
    • 19

    Shower

    • 12
    • 20

    Shower

Today 23 May Lower Eyre Peninsula

Partly cloudy. Medium chance of showers, most likely in the evening. Winds northerly 15 to 25 km/h becoming light in the evening then becoming northerly 15 to 20 km/h in the late evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 20.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

May Temperature

Port Lincoln Airport (42km)

  • Lowest 18 May, 2026

    8.6 °C

  • Average May

    15.4 °C

  • Highest 1 May, 2026

    30.6 °C

Climate (2021–Present)

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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