Williams Island Weather Forecast

    • 12
    • 16

    Shower

    • 14
    • 15

    Shower

    • 14
    • 14

    Shower

    • 14
    • 14

    Shower

    • 13
    • 15

    Shower

    • 14
    • 15

    Shower

    • 14
    • 15

    Shower

Today 18 Jun Lower Eyre Peninsula

Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the morning and afternoon. Winds northerly 25 to 35 km/h tending north to northwesterly 25 to 40 km/h in the middle of the day then turning west to southwesterly 20 to 30 km/h in the evening. Overnight temperatures falling to around 7 with daytime temperatures reaching around 15.

Central Coastal Waters

Wind
Northwesterly 20 to 25 knots tending north to northwesterly 20 to 30 knots in the early morning then turning west to southwesterly in the afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

June Temperature

Neptune Island (36km)

  • Lowest 5 June, 2026

    11.9 °C

  • Average June

    15.5 °C

  • Highest 12 June, 2026

    20.3 °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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