Prime Beach Weather Forecast

    • 8
    • 18

    Partly cloudy

    • 8
    • 16

    Cloudy

    • 6
    • 17

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 9
    • 17

    Shower

    • 9
    • 15

    Shower

    • 5
    • 15

    Cloudy

Today 20 Aug Mid North

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Light winds becoming westerly 15 to 25 km/h in the morning then becoming light in the evening. Daytime maximum temperatures between 15 and 19.

Gulf St Vincent Coastal Waters

Wind
Northwesterly 10 to 15 knots turning westerly in the early afternoon.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Becoming cloudy. 50% chance of showers.
Weather Situation
A cold front clears to the east Wednesday evening. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday, as a ridge of high pressure is expected to approach South Australia from the west. The high centre is expected to linger over the state on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

August Temperature

Roseworthy (32km)

  • Lowest 5 August, 2026

    0.8 °C

  • Average August

    11 °C

  • Highest 18 August, 2026

    19.2 °C

Climate (2021–2026)

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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