Williams Island Weather Forecast

    • 16
    • 17

    Shower

    • 15
    • 17

    Shower

    • 16
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    Cloudy

    • 16
    • 17

    Cloudy

    • 16
    • 18

    Partly cloudy

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    • 18

    Partly cloudy

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    Partly cloudy

Today 10 Apr Lower Eyre Peninsula

Cloudy. Medium chance of showers, most likely from late this morning. Winds westerly 25 to 35 km/h increasing to 30 to 45 km/h in the morning then turning southwesterly 20 to 30 km/h in the evening. Daytime maximum temperatures around 20.

Central Coastal Waters

Wind
Westerly 25 to 30 knots turning southwesterly 20 to 30 knots in the early afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A low pressure trough will move across waters to the south today then a high pressure system will move across waters south of WA on Saturday to be centred over the Bight on Sunday. This high will move slowly eastwards early next week and a weak cold front will move over southern coastal areas.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

April Temperature

Neptune Island (36km)

  • Lowest 8 April, 2026

    14.6 °C

  • Average April

    17.8 °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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