Haystack Island Weather Forecast

    • 9
    • 15

    Cloudy

    • 11
    • 17

    Showers easing

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Showers increasing. Windy

    • 11
    • 16

    Shower or two

    • 9
    • 15

    Possible shower

    • 9
    • 15

    Cloudy

Today 24 Jul Yorke Peninsula

Cloudy. Winds westerly 15 to 20 km/h.

Investigator Strait Coastal Waters

Wind
Westerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Weather
Cloudy.
Weather Situation
A high pressure system centred over the Bight will slowly drift northeastwards on Saturday. A weak trough embedded in the southwesterly flow around the high will clip the southeast of the State early Saturday. The high will move north over South Australia on Sunday and eastern states early next week, with a cold front pushing over the west of the State on Monday and move over remaining parts on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

July Temperature

Stenhouse Bay (5km)

  • Lowest 17 July, 2026

    4.2 °C

  • Average July

    12.3 °C

  • Highest 18 July, 2026

    18.4 °C

Climate (2021–2026)

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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