Lewis Island Weather Forecast

    • 11
    • 16

    Shower

    • 9
    • 17

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 11
    • 21

    Sunny

Today 25 Aug Lower Eyre Peninsula

Partly cloudy. Medium chance of showers this morning. Winds south to southwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures around 17.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to about 10 knots in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A low pressure system and associated trough continue moving over southern SA today and will move into the eastern states this evening. A high pressure system will move in from the west to be over SA on Wednesday. Another trough approaches the southwest during Thursday evening, and may linger about the western parts of SA before another high moves across the south over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

August Temperature

Port Lincoln Airport (42km)

  • Lowest 1 August, 2026

    2.6 °C

  • Average August

    12.3 °C

  • Highest 18 August, 2026

    20.3 °C

Climate (2021–2026)

Port Lincoln Airport (42km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
Get WillyWeather+ to remove ads