Willyama Beach Weather Forecast

    • 11
    • 16

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 10
    • 17

    Shower or two

    • 11
    • 17

    Possible shower

    • 9
    • 16

    Partly cloudy

    • 9
    • 17

    Shower or two

Today 21 Aug Yorke Peninsula

Cloudy. Slight chance of a shower, most likely in the late morning and afternoon. Light winds becoming west to southwesterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Southwesterly 10 to 15 knots turning westerly during the morning.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system moves into the west on Friday and continues moving slowly eastwards to be situated in the Tasman Sea on Sunday. A low pressure system and associated trough move into the far west on Sunday and then moves across the state on Monday.
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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