Willyama Beach Weather Forecast

    • 16
    • 26

    Cloudy

    • 14
    • 20

    Showers easing

    • 13
    • 19

    Showers easing

    • 11
    • 18

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 11
    • 18

    Partly cloudy

Today 29 Sep Yorke Peninsula

Partly cloudy. Winds north to northwesterly 25 to 40 km/h shifting southwesterly 15 to 25 km/h in the late afternoon then becoming light in the late evening.

Investigator Strait Coastal Waters

Wind
North to northwesterly 15 to 20 knots turning west to southwesterly 10 to 15 knots in the late afternoon then becoming variable below 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly below 1 metre.
Weather
Cloudy.
Weather Situation
A series of slow moving troughs will move over the west of SA on Tuesday then will across remaining parts of the state on Wednesday and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Willyama Beach Temperature Statistics View More

September Temperature

Stenhouse Bay (4km)

  • Lowest 17 September, 2026

    6.7 °C

  • Average September

    14.6 °C

  • Highest 24 September, 2026

    28.3 °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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