Prime Beach Weather Forecast

    • 11
    • 19

    Shower

    • 8
    • 20

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 10
    • 20

    Cloudy

    • 8
    • 17

    Shower

    • 9
    • 17

    Shower

    • 7
    • 18

    Partly cloudy

Today 20 May Mid North

Partly cloudy. The chance of fog in the west early this morning. Medium chance of showers, most likely during the morning and afternoon. Winds west to southwesterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures between 16 and 20.

Gulf St Vincent Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending south to southwesterly below 10 knots during the morning.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Partly cloudy. 60% chance of showers.
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 will moves across the Bight on Saturday.
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

    15.6 °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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