Lewis Island Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 13
    • 22

    Partly cloudy

    • 15
    • 21

    Shower

    • 13
    • 20

    Shower

    • 12
    • 19

    Shower

    • 11
    • 20

    Shower

    • 12
    • 20

    Shower

Today 13 May Lower Eyre Peninsula

Mostly sunny. Slight chance of a shower. The chance of a thunderstorm in the late morning and afternoon. Light winds becoming northeasterly 15 to 20 km/h in the morning then tending easterly in the early afternoon. Daytime maximum temperatures in the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming easterly 10 to 15 knots in the evening then tending northeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Mostly sunny. The chance of a thunderstorm north of Cowell to Wallaroo in the late morning and afternoon.
Weather Situation
A strong high pressure system near Tasmania is slowly moving east, reaching the Tasman Sea later today. A trough of low pressure moves into the far west late on Friday and continues across SA over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lewis Island Temperature Statistics View More

May Temperature

Port Lincoln Airport (42km)

  • Lowest 5 May, 2026

    11 °C

  • Average May

    15.9 °C

  • Highest 1 May, 2026

    30.6 °C

Climate (2021–Present)

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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