O'Sullivan Beach Weather Forecast

    • 10
    • 16

    Windy. Cloudy

    • 9
    • 12

    Rain. Windy

    • 8
    • 15

    Showers

    • 11
    • 16

    Showers

    • 11
    • 17

    Cloud clearing

    • 11
    • 16

    Shower or two

    • 9
    • 15

    Showers

Today 8 Jul Adelaide

Cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

Adelaide Metropolitan Waters

Wind
Westerly 15 to 20 knots, reaching up to 25 knots south of Brighton in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
West to southwesterly around 1 metre.
Weather
Cloudy.
Weather Situation
A strong cold front approaching western waters, will move across coastal waters on Wednesday. A high pressure ridge moves into western waters on Thursday and remaining waters on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

O'Sullivan Beach Temperature Statistics View More

July Temperature

Noarlunga (5km)

  • Lowest 1 July, 2025

    5.3 °C

  • Average July

    11.9 °C

  • Highest 4 July, 2025

    18.2 °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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