O'Sullivan Beach Weather Forecast

    • 10
    • 15

    Showers

    • 11
    • 15

    Showers

    • 11
    • 16

    Showers easing

    • 8
    • 15

    Partly cloudy

    • 8
    • 16

    Mostly sunny

    • 7
    • 17

    Sunny

    • 9
    • 18

    Sunny

Today 12 Jul Adelaide

Cloudy. Very high chance of showers. Winds westerly 25 to 35 km/h turning northwesterly 20 to 30 km/h in the evening.

Adelaide Metropolitan Waters

Wind
Westerly 15 to 20 knots, reaching up to 25 knots south of Brighton early in the morning. Winds turning northwesterly in the evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres south of Brighton.
1st Swell
West to southwesterly around 1 metre.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A cold front moving across the southeast will continue into the Tasman Sea today as a ridge of high pressure begins to build over northern SA. A second front will pass across southeastern SA on Monday before the high begins to dominate the weather pattern across SA mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

O'Sullivan Beach Temperature Statistics View More

July Temperature

Noarlunga (5km)

  • Lowest 4 July, 2026

    6.5 °C

  • Average July

    11.8 °C

  • Highest 9 July, 2026

    17.5 °C

Climate (2021–2026)

Noarlunga (5km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    12.8 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    21.9 °C
Get WillyWeather+ to remove ads