Williams Island Weather Forecast

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    • 17

    Cloudy

    • 17
    • 18

    Cloudy

    • 16
    • 18

    Partly cloudy

    • 17
    • 19

    Partly cloudy

    • 17
    • 17

    Partly cloudy

    • 17
    • 20

    Partly cloudy

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    Partly cloudy

Today 13 Apr Lower Eyre Peninsula

Cloudy. The chance of morning fog. Slight chance of a shower. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures in the low 20s.

Central Coastal Waters

Wind
West to southwesterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southerly 2.5 to 3 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight will move slowly northeast this week allowing a series of fronts to pass over the southeast on Wednesday and Thursday. A second high pressure system is expected to follow and become established well south of the Bight by Friday.
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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

    17.2 °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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