Prime Beach Weather Forecast

    • 14
    • 21

    Cloudy

    • 12
    • 21

    Cloudy

    • 11
    • 24

    Partly cloudy

    • 11
    • 28

    Sunny

    • 15
    • 34

    Sunny

    • 18
    • 37

    Sunny

    • 21
    • 38

    Partly cloudy

Today 23 Dec Mid North

Partly cloudy. Slight chance of a shower in the south this morning. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 25 km/h. Daytime maximum temperatures in the low to high 20s.

Gulf St Vincent Coastal Waters

Wind
Southwesterly 10 to 15 knots turning southerly during the morning and early afternoon. Winds reaching up to 20 knots north of Port Vincent to Brighton during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

December Temperature

Roseworthy (32km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    21.5 °C

  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Roseworthy (32km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
Get WillyWeather+ to remove ads