Prime Beach Weather Forecast

    • 15
    • 26

    Partly cloudy

    • 15
    • 25

    Sunny

    • 14
    • 29

    Sunny

    • 17
    • 30

    Sunny

    • 18
    • 29

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 14
    • 20

    Partly cloudy

Today 20 Mar Mid North

Partly cloudy. Medium chance of showers in the late morning and afternoon. Light winds becoming south to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures 24 to 29.

Gulf St Vincent Coastal Waters

Wind
South to southeasterly 10 to 15 knots becoming variable below 10 knots in the morning then becoming southerly 10 to 15 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure will persist across the state. The high pressure centre will become established in the Tasman Sea over the weekend ahead of a cold front early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

March Temperature

Roseworthy (32km)

  • Lowest 9 March, 2026

    7.9 °C
  • Average March

    19.6 °C
  • Highest 10 March, 2026

    36.1 °C

Climate (2021–Present)

Roseworthy (32km)

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  • Average Low 2021–2026

    9.8 °C
  • Average 2021–2026

    16.3 °C
  • Average High 2021–2026

    23.7 °C
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