Prime Beach Weather Forecast

    • 7
    • 20

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 10
    • 18

    Shower

    • 8
    • 17

    Shower

    • 8
    • 17

    Shower

    • 8
    • 18

    Partly cloudy

Today 21 May Mid North

Patchy morning fog. Mostly sunny afternoon. Light winds. Daytime maximum temperatures between 17 and 21.

Gulf St Vincent Coastal Waters

Wind
Variable below 10 knots becoming easterly 10 to 15 knots in the evening then tending northeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

May Temperature

Roseworthy (32km)

  • Lowest 10 May, 2026

    6.4 °C

  • Average May

    15.5 °C

  • Highest 1 May, 2026

    31.1 °C

Climate (2021–Present)

Roseworthy (32km)

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  • Average Low 2021–2026

    9.9 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.7 °C
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