Haystack Island Weather Forecast

    • 15
    • 19

    Showers increasing. Windy

    • 13
    • 18

    Possible shower

    • 14
    • 19

    Cloudy

    • 14
    • 20

    Cloudy

    • 14
    • 20

    Partly cloudy

    • 15
    • 21

    Mostly sunny

    • 14
    • 20

    Partly cloudy

Today 10 Apr Yorke Peninsula

Cloudy. High chance of showers, most likely late this afternoon and evening. Winds westerly 30 to 45 km/h turning southwesterly 25 to 35 km/h in the evening. Daytime maximum temperatures around 20.

Investigator Strait Coastal Waters

Wind
Westerly 20 to 30 knots turning southwesterly in the late afternoon.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A low pressure trough will move across waters to the south today then a high pressure system will move across waters south of WA on Saturday to be centred over the Bight on Sunday. This high will move slowly eastwards early next week and a weak cold front will move over southern coastal areas.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

April Temperature

Stenhouse Bay (5km)

  • Lowest 8 April, 2026

    11.3 °C

  • Average April

    17.6 °C

  • Highest 6 April, 2026

    25.2 °C

Climate (2021–Present)

Stenhouse Bay (5km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16 °C

  • Average High 2021–2026

    20.5 °C
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