Williams Island Weather Forecast

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    • 21

    Cloudy

    • 20
    • 23

    Cloudy

    • 21
    • 23

    Shower

    • 17
    • 19

    Shower

    • 15
    • 17

    Shower

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    Shower

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    Shower

Today 29 Apr Lower Eyre Peninsula

Cloudy. Winds northerly 15 to 20 km/h becoming light in the evening.

Central Coastal Waters

Wind
North to northeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a front that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend. The low pressure system associated with this front is expected to cross south SA and bring a following trough across southern coasts late Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

April Temperature

Neptune Island (36km)

  • Lowest 11 April, 2026

    12.4 °C

  • Average April

    17.5 °C

  • Highest 21 April, 2026

    24.9 °C

Climate (2021–Present)

Neptune Island (36km)

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  • Average Low 2021–2026

    14.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    18.8 °C
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