Haystack Island Weather Forecast

    • 11
    • 16

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 10
    • 17

    Possible shower

    • 11
    • 17

    Possible shower

    • 9
    • 16

    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. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching 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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

August Temperature

Stenhouse Bay (5km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12.7 °C

  • Highest 18 August, 2026

    19.9 °C

Climate (2021–2026)

Stenhouse Bay (5km)

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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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