O'Sullivan Beach Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 12
    • 23

    Showers

    • 17
    • 22

    Showers

    • 15
    • 19

    Showers

    • 12
    • 18

    Possible shower

    • 11
    • 19

    Cloudy

    • 11
    • 20

    Partly cloudy

Today 7 Apr Adelaide

Partly cloudy. Slight chance of a shower, becoming less likely this morning. Winds south to southwesterly 15 to 20 km/h becoming light in the evening.

Adelaide Metropolitan Waters

Wind
South to southwesterly 10 to 15 knots turning east to southeasterly below 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A cold front will pass over the southeast this morning followed by a high-pressure system building south of the state today. The high will then move east on Wednesday allowing a vigorous cold front to move over South Australia Thursday afternoon. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

O'Sullivan Beach Temperature Statistics View More

April Temperature

Noarlunga (5km)

  • Lowest 2 April, 2026

    13 °C

  • Average April

    18.6 °C

  • Highest 4 April, 2026

    26.5 °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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