Ballast Head Weather Forecast

    • 16
    • 32

    Partly cloudy

    • 14
    • 21

    Mostly sunny

    • 13
    • 20

    Cloudy

    • 12
    • 18

    Cloudy

    • 12
    • 21

    Sunny

    • 13
    • 32

    Sunny

    • 16
    • 30

    Sunny

Today 12 Dec Kangaroo Island

Partly cloudy. Winds northeast to southeasterly 15 to 20 km/h tending northwest to northeasterly in the morning then tending southerly 25 to 40 km/h in the middle of the day. Overnight temperatures falling to between 12 and 16 with daytime temperatures reaching the low to mid 30s.

Investigator Strait Coastal Waters

Wind
Northeast to southeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ballast Head Temperature Statistics View More

December Temperature

Kingscote Airport (25km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    17.2 °C

  • Highest 3 December, 2025

    32.7 °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 °C
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