Willyama Beach Weather Forecast

    • 10
    • 15

    Rain

    • 11
    • 16

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 9
    • 18

    Sunny

    • 11
    • 19

    Possible shower

    • 11
    • 19

    Mostly sunny

    • 11
    • 18

    Mostly sunny

Today 24 Aug Yorke Peninsula

Cloudy. Very high chance of rain. The chance of a thunderstorm late this afternoon and evening. Winds northeasterly 20 to 30 km/h turning north to northwesterly in the evening then tending northwest to southwesterly 25 to 35 km/h in the late evening. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Northeasterly 10 to 15 knots shifting south to southeasterly 15 to 20 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage by early evening.
1st Swell
West to southwesterly around 1 metre.
Weather
Cloudy. Near 100% chance of rain.
Weather Situation
A low pressure system and associated trough in the far west will move across the state today and out over the eastern states by late Tuesday, as another high moves in from the west to be over SA on Wednesday. A second trough approaches the southwest during Thursday afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Willyama Beach Temperature Statistics View More

August Temperature

Stenhouse Bay (4km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12.7 °C

  • Highest 18 August, 2026

    19.9 °C

Climate (2021–2026)

Stenhouse Bay (4km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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