Prime Beach Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 12
    • 22

    Cloudy

    • 9
    • 29

    Sunny

    • 13
    • 29

    Partly cloudy

    • 16
    • 28

    Cloudy

    • 15
    • 31

    Partly cloudy

    • 18
    • 36

    Partly cloudy

Today 6 Dec Mid North

Partly cloudy. Medium chance of showers, becoming less likely in the late morning and early afternoon. The chance of a thunderstorm in the morning and early afternoon. Winds northwest to southwesterly 15 to 25 km/h becoming southwesterly 25 to 40 km/h in the middle of the day then turning southerly 20 to 25 km/h in the late evening. Daytime maximum temperatures in the mid to high 20s.

Gulf St Vincent Coastal Waters

Wind
Southwesterly about 10 knots increasing to 15 to 25 knots in the early morning.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
South to southwesterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm this morning.
Weather Situation
A weak cold front will move across the southern coastal districts today as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure system develops south of the Bight on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

December Temperature

Roseworthy (32km)

  • Lowest 2 December, 2025

    6.3 °C

  • Average December

    20.3 °C

  • Highest 4 December, 2025

    39.3 °C

Climate (2020–Present)

Roseworthy (32km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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