Williams Island Weather Forecast

    • 16
    • 17

    Cloudy

    • 17
    • 18

    Cloudy

    • 18
    • 19

    Cloudy

    • 19
    • 21

    Partly cloudy

    • 20
    • 23

    Shower

    • 19
    • 19

    Shower

    • 18
    • 18

    Partly cloudy

Today 27 Mar Lower Eyre Peninsula

Cloudy. Slight chance of a shower near the east coast, near zero chance elsewhere. Winds south to southeasterly 20 to 30 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching around 20.

Central Coastal Waters

Wind
South to southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 2 metres later in the evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system will become established south of SA today, then moving eastwards over the weekend to be centred over the Tasman Sea on Monday. A low pressure system well to the south will link to a trough over the far west late Monday and into Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

March Temperature

Neptune Island (36km)

  • Lowest 9 March, 2026

    14.8 °C

  • Average March

    18.5 °C

  • Highest 10 March, 2026

    24 °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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