Lewis Island Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 14
    • 26

    Sunny

    • 15
    • 28

    Sunny

    • 17
    • 26

    Partly cloudy

    • 16
    • 22

    Partly cloudy

    • 14
    • 20

    Shower

Today 20 Mar Lower Eyre Peninsula

Partly cloudy. The chance of morning fog near the west coast. Light winds becoming south to southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures in the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
Southeasterly 10 to 15 knots tending southeast to southwesterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure will persist across the state. The high pressure centre will become established in the Tasman Sea over the weekend ahead of a cold front early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

March Temperature

Port Lincoln Airport (42km)

  • Lowest 5 March, 2026

    11.6 °C

  • Average March

    18.8 °C

  • Highest 10 March, 2026

    34.6 °C

Climate (2021–Present)

Port Lincoln Airport (42km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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