Haystack Island Weather Forecast

    • 14
    • 20

    Showers easing

    • 13
    • 19

    Showers easing

    • 11
    • 18

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 12
    • 17

    Partly cloudy

Today 30 Sep Yorke Peninsula

Partly cloudy. High chance of showers in the south, medium chance elsewhere. The chance of a thunderstorm in the late afternoon and evening. Light winds becoming northwest to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to around 13 with daytime temperatures reaching 22 to 27.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

September Temperature

Stenhouse Bay (5km)

  • Lowest 17 September, 2026

    6.7 °C

  • Average September

    14.9 °C

  • Highest 24 September, 2026

    28.3 °C

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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