Prime Beach Weather Forecast

    • 12
    • 24

    Windy

    • 9
    • 27

    Sunny

    • 10
    • 28

    Sunny

    • 13
    • 25

    Windy

    • 13
    • 24

    Windy

    • 12
    • 27

    Sunny

    • 13
    • 30

    Sunny

Today 11 Jan Mid North

Mostly sunny. Winds southeasterly 25 to 40 km/h. Daytime maximum temperatures in the mid to high 20s.

Gulf St Vincent Coastal Waters

Wind
South to southeasterly 15 to 25 knots, reaching up to 30 knots in the eastern waters in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will begin to develop across the state today. A series of high pressure centres will move south of the Bight before a low pressure trough moves west of the state late on Tuesday. This trough will be pushed northwards along the WA border as new high pressure system develops south of the Bight on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

January Temperature

Roseworthy (32km)

  • Lowest 1 January, 2026

    6.6 °C

  • Average January

    24.7 °C

  • Highest 8 January, 2026

    47.1 °C

Climate (2021–Present)

Roseworthy (32km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    23.6 °C
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