Lacy Island Weather Forecast

    • 18
    • 19

    Windy

    • 17
    • 18

    Cloudy

    • 18
    • 18

    Cloudy

    • 17
    • 18

    Partly cloudy

    • 17
    • 20

    Partly cloudy

    • 18
    • 22

    Sunny

    • 22
    • 24

    Sunny

Today 21 Dec West Coast

Partly cloudy. Medium chance of showers south of Streaky Bay in the early morning. Near zero chance of rain elsewhere. The chance of a thunderstorm south of Streaky Bay in the early morning. Winds southwesterly 25 to 40 km/h turning southerly in the afternoon then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to around 14 with daytime temperatures reaching the low to high 20s.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds turning southerly 15 to 20 knots in the early afternoon.
Seas
Below 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly below 1 metre, increasing to 1 to 1.5 metres during the morning, then tending west to southwesterly 2 to 3 metres around midday.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lacy Island Temperature Statistics View More

December Temperature

Ceduna Airport (42km)

  • Lowest 8 December, 2025

    6.4 °C

  • Average December

    22 °C

  • Highest 18 December, 2025

    43.1 °C

Climate (2020–Present)

Ceduna Airport (42km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.7 °C
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