Williams Island Weather Forecast

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    • 19

    Clear

    • 16
    • 19

    Partly cloudy

    • 17
    • 17

    Cloudy

    • 17
    • 20

    Partly cloudy

    • 19
    • 20

    Partly cloudy

    • 17
    • 18

    Cloudy

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    Partly cloudy

Today 15 Apr Lower Eyre Peninsula

Clear. Winds northwest to southwesterly 15 to 20 km/h becoming light in the evening.

Central Coastal Waters

Wind
Northwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Clear.
Weather Situation
A high pressure system centred over NSW will allow a cold front to move across the far southeast of SA on Thursday. A second high pressure system is expected to move south of the Bight during Friday and Saturday ahead of another trough expected to brush the west and south on the weekend.
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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

    17.1 °C

  • Highest 1 April, 2026

    21.6 °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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