Haystack Island Weather Forecast

    • 11
    • 16

    Cloudy

    • 12
    • 17

    Showers easing

    • 10
    • 19

    Showers. Becoming windy

    • 12
    • 17

    Shower or two. Windy

    • 10
    • 18

    Possible shower

    • 11
    • 17

    Possible shower

    • 12
    • 17

    Shower or two

Today 2 Sep Yorke Peninsula

Cloudy. Slight chance of a shower. Winds southwesterly 15 to 20 km/h becoming light before dawn then becoming westerly 20 to 30 km/h in the morning. Overnight temperatures falling to around 9 with daytime temperatures reaching around 17.

Investigator Strait Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending west to northwesterly 15 to 25 knots during the day.
Seas
Below 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres later in the evening.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

September Temperature

Stenhouse Bay (5km)

  • Lowest 1 September, 2026

    10.5 °C

  • Average September

    14.7 °C

  • Highest

    –

Climate (2021–2026)

Stenhouse Bay (5km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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