Haystack Island Weather Forecast

    • 20
    • 27

    Late shower or two

    • 17
    • 22

    Sunny

    • 16
    • 21

    Partly cloudy

    • 16
    • 21

    Partly cloudy

    • 15
    • 20

    Mostly sunny

    • 15
    • 23

    Mostly sunny

    • 17
    • 23

    Possible shower

Today 31 Mar Yorke Peninsula

Mostly sunny day. Medium chance of showers this evening. Winds north to northeasterly 25 to 35 km/h increasing to 45 km/h before turning west to northwesterly 20 to 25 km/h in the evening. Daytime maximum temperatures around 30.

Investigator Strait Coastal Waters

Wind
North to northeasterly 10 to 15 knots turning west to northwesterly 15 to 20 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly below 1 metre.
Weather
Becoming cloudy. 60% chance of showers this evening.
Weather Situation
A high pressure system over the Tasman sea extends a weak ridge over SA. A trough over central WA extends over southwest SA, and is forecast to move across the west and south later Tuesday, pushing into the northeast of SA on Wednesday. Another high pressure system is expected to become established south of the Bight late in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

March Temperature

Stenhouse Bay (5km)

  • Lowest 10 March, 2026

    13.3 °C

  • Average March

    18.9 °C

  • Highest 23 March, 2026

    32.2 °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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