Willyama Beach Weather Forecast

    • 9
    • 16

    Shower or two. Windy

    • 11
    • 15

    Cloudy

    • 9
    • 15

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 10
    • 17

    Sunny

    • 9
    • 18

    Showers increasing

    • 11
    • 18

    Showers. Becoming windy

Today 2 Aug Yorke Peninsula

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds westerly 20 to 30 km/h.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 25 knots, reaching up to 30 knots in the late afternoon.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A cold front slips across the southeast of the state overnight into Monday, as a high pressure system moves into the Bight, behind the front. The high is forecast to extend a ridge throughout the state as it moves east during the week, likely being centred over NSW towards the end of the week.
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Willyama Beach Temperature Statistics View More

August Temperature

Stenhouse Bay (4km)

  • Lowest 1 August, 2026

    4.5 °C
  • Average August

    7.8 °C
  • Highest

Climate (2021–2026)

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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