Willyama Beach Weather Forecast

    • 12
    • 20

    Mostly clear

    • 12
    • 20

    Partly cloudy

    • 14
    • 20

    Shower or two

    • 13
    • 18

    Showers easing

    • 12
    • 18

    Shower or two

    • 12
    • 19

    Shower or two

    • 13
    • 19

    Possible shower

Today 21 May Yorke Peninsula

Mostly clear. Winds easterly 15 to 20 km/h.

Investigator Strait Coastal Waters

Wind
Northeasterly 10 to 15 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Willyama Beach Temperature Statistics View More

May Temperature

Stenhouse Bay (4km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    28.9 °C

Climate (2021–Present)

Stenhouse Bay (4km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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