Lewis Island Weather Forecast

    • 8
    • 20

    Partly cloudy

    • 10
    • 15

    Shower

    • 9
    • 14

    Shower

    • 9
    • 15

    Shower

    • 8
    • 14

    Shower

    • 7
    • 14

    Partly cloudy

Today 14 Aug Lower Eyre Peninsula

Mostly sunny. Slight chance of a shower near the west coast at night. Near zero chance of rain elsewhere. Winds north to northeasterly 15 to 25 km/h increasing to 35 km/h before turning west to northwesterly 20 to 30 km/h in the late evening. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 20.

Spencer Gulf Coastal Waters

Wind
Variable below 10 knots becoming north to northeasterly 15 to 20 knots before dawn. Winds reaching up to 25 knots near the Yorke Peninsula coast in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, increasing to 1 to 2 metres near the Yorke Peninsula coast during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Mostly sunny.
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 9 August, 2025

    3.6 °C

  • Average August

    11 °C

  • Highest 11 August, 2025

    19.3 °C

Climate (2020–Present)

Port Lincoln Airport (42km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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