Prime Beach Weather Forecast

    • 10
    • 19

    Shower

    • 11
    • 19

    Shower

    • 10
    • 19

    Shower

    • 7
    • 20

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 10
    • 19

    Shower

    • 9
    • 18

    Shower

Today 18 May Mid North

Partly cloudy. Patchy morning fog. Medium chance of showers, most likely in the late morning and afternoon. Light winds becoming southwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 17 and 20.

Gulf St Vincent Coastal Waters

Wind
Variable below 10 knots becoming southwesterly 10 to 15 knots in the middle of the day then tending westerly in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure builds in the west. A cold front will move over the south early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
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

    15.8 °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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