Haystack Island Weather Forecast

    • 17
    • 22

    Shower or two. Becoming windy

    • 15
    • 19

    Showers increasing. Windy

    • 13
    • 18

    Possible shower

    • 14
    • 19

    Cloudy

    • 14
    • 20

    Partly cloudy

    • 14
    • 21

    Mostly sunny

    • 15
    • 20

    Cloudy

Today 9 Apr Yorke Peninsula

Partly cloudy. Very high chance of showers, most likely in the morning. The chance of a thunderstorm in the morning and afternoon. Winds northwesterly 15 to 25 km/h turning westerly 25 to 40 km/h during the morning and early afternoon. Overnight temperatures falling to around 16 with daytime temperatures reaching the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Northwesterly 15 to 20 knots turning westerly 20 to 25 knots during the morning and early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres around midday.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
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

    17.3 °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

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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