Haystack Island Weather Forecast

    • 10
    • 15

    Cloudy

    • 10
    • 16

    Cloudy

    • 9
    • 15

    Cloudy

    • 7
    • 14

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 9
    • 16

    Partly cloudy

    • 8
    • 16

    Possible shower

Today 3 Jul Yorke Peninsula

Cloudy. Slight chance of a shower. Winds southwesterly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures around 15.

Investigator Strait Coastal Waters

Wind
Southwesterly 15 to 20 knots decreasing to about 10 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.
1st Swell
West to southwesterly 2 to 3 metres, decreasing to 1 to 2 metres by early evening.
Weather
Cloudy.
Weather Situation
A cold front and post-frontal trough move to the east of SA today making way for a high pressure system moving in from the west. The high will dominate the weather pattern over the weekend as it slowly moves east, reaching the Tasman Sea by 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 2 July, 2026

    10.5 °C

  • Average July

    12.9 °C

  • Highest 1 July, 2026

    14.9 °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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