Williams Island Weather Forecast

    • 16
    • 17

    Cloudy

    • 17
    • 18

    Sunny

    • 18
    • 21

    Sunny

    • 21
    • 24

    Sunny

    • 20
    • 21

    Partly cloudy

    • 19
    • 20

    Partly cloudy

    • 17
    • 18

    Shower

Today 4 Jan Lower Eyre Peninsula

Partly cloudy. Winds south to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching the low to high 20s.

Central Coastal Waters

Wind
South to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred south of SA extends a ridge over most of the state and a broad trough lingers over the far northeast. These features will remain relatively stationary over the weekend then the high will move eastwards early next week. A broad trough will move across from the west mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

January Temperature

Port Lincoln Airport (48km)

  • Lowest 1 January, 2026

    14.3 °C

  • Average January

    18.6 °C

  • Highest 2 January, 2026

    24.4 °C

Climate (2021–Present)

Port Lincoln Airport (48km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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