Ballast Head Weather Forecast

    • 12
    • 19

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 10
    • 19

    Showers

    • 10
    • 16

    Cloudy

    • 11
    • 17

    Shower or two

    • 12
    • 17

    Possible shower

    • 12
    • 17

    Shower or two

Today 4 May Kangaroo Island

Partly cloudy. Slight chance of a shower. Winds southwesterly 15 to 25 km/h.

Investigator Strait Coastal Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage.
Seas
Around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A low pressure system in Bass Strait and associated trough will clear eastwards, weakening their influence of SA by Monday evening. A ridge of high pressure will begin to extend from the west on Tuesday and will be briefly be weakened as a cold front crosses the southeast on Wednesday afternoon. The ridge will begin to re-establish in the wake of the front and stabilise over SA with the slow moving high pressure centre sitting south of WA by Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ballast Head Temperature Statistics View More

May Temperature

Kingscote Airport (25km)

  • Lowest 3 May, 2026

    11.5 °C

  • Average May

    18.2 °C

  • Highest 1 May, 2026

    27.1 °C

Climate (2021–Present)

Kingscote Airport (25km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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