Onkaparinga Head Weather Forecast

    • 21
    • 36

    Clear

    • 21
    • 29

    Partly cloudy

    • 14
    • 27

    Sunny

    • 16
    • 23

    Possible early storm. Showers

    • 13
    • 23

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 18 Dec Adelaide

Clear. Light winds.

Adelaide Metropolitan Waters

Wind
South to southeasterly 10 to 15 knots.
Seas
Below 0.5 metres, increasing to below 1 metre north of Brighton.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Clear.
Weather Situation
A trough of low pressure lingers about the northeast of SA this evening, as another trough of low pressure develops over the west. This broad area of low pressure is expected to slowly extend a trough across the state from the west during Friday and Saturday, before contracting to the far northeast on Sunday evening. Behind this, a ridge of high pressure moves over the west and south during Sunday, persisting throughout SA by late Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onkaparinga Head Temperature Statistics View More

December Temperature

Noarlunga (3km)

  • Lowest 2 December, 2025

    11.1 °C

  • Average December

    21.2 °C

  • Highest 14 December, 2025

    40.6 °C

Climate (2020–Present)

Noarlunga (3km)

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  • Average Low 2020–2025

    12.7 °C

  • Average 2020–2025

    16.6 °C

  • Average High 2020–2025

    21.7 °C
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