O'Sullivan Beach Weather Forecast

    • 14
    • 22

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 15
    • 28

    Sunny

    • 16
    • 30

    Partly cloudy

    • 16
    • 26

    Shower or two

    • 16
    • 27

    Partly cloudy

    • 16
    • 29

    Cloud clearing

Today 12 Mar Adelaide

Partly cloudy. Winds southerly 20 to 30 km/h turning southeasterly in the evening.

Adelaide Metropolitan Waters

Wind
Southerly 15 to 20 knots turning southeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Grange.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends from a high south of Perth, across waters well south of SA. The high slowly moves eastwards to be centred well south of the Bight by late Friday and over the Tasman Sea by Saturday afternoon, with further high pressure systems building well south of the Bight. A trough over inland WA is expected to move across western SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

O'Sullivan Beach Temperature Statistics View More

March Temperature

Noarlunga (5km)

  • Lowest 8 March, 2026

    11.3 °C

  • Average March

    19.4 °C

  • Highest 10 March, 2026

    33 °C

Climate (2021–Present)

Noarlunga (5km)

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  • Average Low 2021–2026

    12.7 °C

  • Average 2021–2026

    16.7 °C

  • Average High 2021–2026

    21.8 °C
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