Haystack Island Weather Forecast

    • 14
    • 20

    Possible shower

    • 12
    • 20

    Shower or two

    • 14
    • 20

    Shower or two

    • 14
    • 20

    Possible shower

    • 12
    • 20

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 13
    • 20

    Shower or two

Today 17 May Yorke Peninsula

Partly cloudy. Medium chance of showers, most likely in the afternoon. Light winds becoming south to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Overnight temperatures falling to around 11 with daytime temperatures reaching around 20.

Investigator Strait Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

May Temperature

Stenhouse Bay (5km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.3 °C

  • Highest 1 May, 2026

    28.9 °C

Climate (2021–Present)

Stenhouse Bay (5km)

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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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