Lewis Island Weather Forecast

    • 10
    • 16

    Cloudy

    • 10
    • 16

    Cloudy

    • 10
    • 23

    Sunny

    • 11
    • 26

    Sunny

    • 13
    • 19

    Partly cloudy

    • 11
    • 16

    Cloudy

    • 10
    • 19

    Partly cloudy

Today 16 Sep Lower Eyre Peninsula

Cloudy. Winds east to southeasterly 20 to 30 km/h. Daytime maximum temperatures around 16.

Spencer Gulf Coastal Waters

Wind
Easterly 10 to 15 knots turning southeasterly 15 to 20 knots in the middle of the day.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system south of the state will maintain a ridge across SA for the next few days as it drifts eastwards. A cold front is likely to approach from the west late Saturday and move across SA on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

September Temperature

Port Lincoln Airport (42km)

  • Lowest 11 September, 2026

    5.6 °C

  • Average September

    13.8 °C

  • Highest 4 September, 2026

    25.1 °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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