Lewis Island Weather Forecast

    • 8
    • 18

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 16

    Shower

    • 9
    • 14

    Shower

    • 8
    • 15

    Shower

    • 8
    • 16

    Cloudy

Today 19 Jul Lower Eyre Peninsula

Mostly clear. Winds northerly 15 to 20 km/h becoming light in the late afternoon then becoming north to northeasterly 15 to 20 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots turning northerly in the late evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Mostly clear.
Weather Situation
A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight by Thursday evening.
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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

    11.1 °C

  • Highest 9 July, 2026

    17.6 °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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