Haystack Island Weather Forecast

    • 13
    • 22

    Shower or two. Windy

    • 13
    • 18

    Rain easing

    • 10
    • 17

    Partly cloudy

    • 10
    • 18

    Showers

    • 13
    • 19

    Showers

    • 13
    • 17

    Showers

    • 10
    • 16

    Showers

Today 12 Jun Yorke Peninsula

Partly cloudy. Slight chance of a shower, most likely later tonight. Winds northerly 30 to 45 km/h. Daytime maximum temperatures in the low 20s.

Investigator Strait Coastal Waters

Wind
Northeasterly 15 to 20 knots turning northerly 20 to 25 knots in the early morning. Winds reaching up to 30 knots during the day.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday, then increasing to 1 to 2 metres later in the evening.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure system in the Tasman Sea maintains a ridge over SA. A cold front will move across the Bight on Friday with a weak high pressure system developing over southern Australia over the weekend. A trough of low pressure moves into the far west on Monday as an associated low pressure system moves into the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

June Temperature

Stenhouse Bay (5km)

  • Lowest 11 June, 2026

    8.2 °C

  • Average June

    13.6 °C

  • Highest 1 June, 2026

    19.9 °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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