Williams Island Weather Forecast

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    • 16

    Cloudy

    • 15
    • 16

    Shower

    • 14
    • 15

    Shower

    • 13
    • 14

    Shower

    • 13
    • 14

    Shower

    • 13
    • 14

    Shower

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    Shower

Today 20 Jul Lower Eyre Peninsula

Cloudy. Light winds.

Central Coastal Waters

Wind
North to northwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a weak cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

July Temperature

Neptune Island (36km)

  • Lowest 12 July, 2026

    10 °C
  • Average July

    13.8 °C
  • Highest 18 July, 2026

    17.1 °C

Climate (2021–2026)

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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