Onkaparinga River Entrance Weather Forecast

    • 15
    • 25

    Clear

    • 15
    • 27

    Sunny

    • 18
    • 29

    Mostly sunny

    • 20
    • 29

    Mostly sunny

    • 19
    • 27

    Possible shower

    • 16
    • 20

    Shower or two

    • 12
    • 18

    Cloudy

Today 21 Mar Adelaide

Clear. Winds southwesterly 15 to 20 km/h becoming light in the evening.

Adelaide Metropolitan Waters

Wind
Southwesterly 10 to 15 knots turning southeasterly below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system over the Tasman sea, extends a ridge over southern SA. A broad trough moves over SA early next week, then a cold front clips the southeast and an upper trough moves up over SA Wednesday and Thursday. A new ridge develops south of the Bight mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onkaparinga River Entrance Temperature Statistics View More

March Temperature

Noarlunga (3km)

  • Lowest 8 March, 2026

    11.3 °C

  • Average March

    19.3 °C

  • Highest 10 March, 2026

    33 °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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