Williams Island Weather Forecast

    • 18
    • 19

    Windy

    • 18
    • 19

    Partly cloudy

    • 17
    • 18

    Partly cloudy

    • 18
    • 19

    Partly cloudy

    • 18
    • 20

    Sunny

    • 19
    • 21

    Sunny

    • 19
    • 20

    Partly cloudy

Today 18 Mar Lower Eyre Peninsula

Cloudy. Slight chance of a shower early this morning. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures in the low to mid 20s.

Central Coastal Waters

Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots in the west during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy.
Weather Situation
A low and trough over northeast SA will continue to move northeastwards clearing the State by Thursday. A ridge of high pressure persists to the south.
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  • 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

    18.3 °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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