Haystack Island Weather Forecast

    • 13
    • 17

    Showers increasing

    • 12
    • 20

    Possible morning storm. Showers

    • 13
    • 19

    Showers. Windy

    • 13
    • 18

    Showers. Wind easing

    • 12
    • 17

    Showers

    • 12
    • 18

    Showers easing

    • 13
    • 19

    Shower or two

Today 31 May Yorke Peninsula

Partly cloudy. High chance of showers, most likely at night. Winds west to southwesterly 15 to 25 km/h shifting northerly 15 to 20 km/h in the late afternoon then increasing to 20 to 30 km/h in the evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching around 17.

Investigator Strait Coastal Waters

Wind
West to southwesterly 15 to 20 knots becoming west to northwesterly about 10 knots in the early afternoon then tending northerly 15 to 20 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Partly cloudy. 80% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

May Temperature

Stenhouse Bay (5km)

  • Lowest 25 May, 2026

    8.8 °C

  • Average May

    15.7 °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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