Lewis Island Weather Forecast

    • 13
    • 22

    Shower

    • 13
    • 19

    Shower

    • 11
    • 18

    Shower

    • 10
    • 18

    Partly cloudy

    • 11
    • 18

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 12
    • 17

    Cloudy

Today 30 Sep Lower Eyre Peninsula

Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds west to southwesterly 15 to 20 km/h becoming light in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Weather Situation
A series of troughs over SA will slowly move east ahead of a high pressure system that moves into the Bight on Friday. A cold front moving across the Southern Ocean will clip the far southeast late Thursday, with a low pressure system developing near the Victorian border on Friday. Another trough near the WA border is expected to develop on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

September Temperature

Port Lincoln Airport (42km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14.7 °C

  • Highest 24 September, 2026

    30.8 °C

Climate (2021–2026)

Port Lincoln Airport (42km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.9 °C

  • Average High 2021–2026

    21.3 °C
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