Onkaparinga Head Weather Forecast

    • 16
    • 22

    Windy. Cloudy

    • 13
    • 25

    Wind easing. Sunny

    • 15
    • 33

    Sunny

    • 24
    • 40

    Afternoon cool change

    • 19
    • 32

    Sunny

    • 19
    • 39

    Sunny

    • 26
    • 35

    Sunny

Today 21 Jan Adelaide

Partly cloudy. Winds southerly 25 to 40 km/h increasing to 30 to 45 km/h in the late evening.

Adelaide Metropolitan Waters

Wind
Southerly 20 to 25 knots, reaching up to 30 knots north of Grange in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Grange.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of WA maintains a ridge over western and southern SA, before it is expected to move eastwards on Thursday to be over the Tasman Sea on Friday. A trough of low pressure approaches from the west on Friday, forecast to move over SA during Saturday, reaching the northeast by early Sunday. Another high pressure system is expected to move over waters to the south over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onkaparinga Head Temperature Statistics View More

January Temperature

Noarlunga (3km)

  • Lowest 1 January, 2026

    11.2 °C

  • Average January

    22.1 °C

  • Highest 7 January, 2026

    43.3 °C

Climate (2021–Present)

Noarlunga (3km)

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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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