Ballast Head Weather Forecast

    • 10
    • 20

    Mostly sunny

    • 9
    • 18

    Shower or two. Windy

    • 9
    • 15

    Cloudy

    • 10
    • 17

    Possible shower

    • 10
    • 16

    Partly cloudy

    • 9
    • 17

    Cloudy

    • 9
    • 19

    Partly cloudy

Today 18 Sep Kangaroo Island

Mostly sunny. Winds northerly 15 to 25 km/h increasing to 25 to 35 km/h in the morning then turning west to northwesterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching between 19 and 22.

Investigator Strait Coastal Waters

Wind
Northerly 15 to 20 knots turning west to northwesterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ballast Head Temperature Statistics View More

September Temperature

Kingscote Airport (25km)

  • Lowest 17 September, 2025

    1.9 °C

  • Average September

    12.5 °C

  • Highest 15 September, 2025

    22.2 °C

Climate (2020–Present)

Kingscote Airport (25km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21.1 °C
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