O'Sullivan Beach Weather Forecast

    • 7
    • 15

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 18

    Sunny

    • 10
    • 18

    Sunny

    • 11
    • 21

    Shower or two

    • 11
    • 17

    Showers increasing

    • 9
    • 15

    Showers

Today 18 Jun Adelaide

Partly cloudy. Winds northeasterly 15 to 20 km/h tending northerly in the middle of the day then becoming light in the early afternoon.

Adelaide Metropolitan Waters

Wind
North to northeasterly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA will slowly move eastwards but will continue to extend a ridge over the coastal waters for the remainder of the week and early next weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

O'Sullivan Beach Temperature Statistics View More

June Temperature

Noarlunga (5km)

  • Lowest 4 June, 2025

    5.8 °C

  • Average June

    12.2 °C

  • Highest 2 June, 2025

    19.8 °C

Climate (2020–Present)

Noarlunga (5km)

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  • Average Low 2020–2025

    12.7 °C

  • Average 2020–2025

    16.7 °C

  • Average High 2020–2025

    21.8 °C
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