Haystack Island Weather Forecast

    • 14
    • 20

    Mostly clear

    • 13
    • 20

    Shower or two

    • 14
    • 20

    Shower or two

    • 14
    • 20

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 13
    • 20

    Shower or two

Today 17 May Yorke Peninsula

Mostly clear. Slight chance of a shower. The chance of fog later tonight. Winds south to southwesterly 15 to 20 km/h becoming light in the late afternoon.

Investigator Strait Coastal Waters

Wind
South to southwesterly below 10 knots becoming east to southeasterly in the late afternoon.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure builds in the west. A cold front will move over the south late Monday and early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
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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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