Ballast Head Weather Forecast

    • 17
    • 33

    Partly cloudy

    • 15
    • 18

    Windy. Cloudy

    • 13
    • 18

    Becoming windy. Partly cloudy

    • 12
    • 19

    Sunny

    • 14
    • 24

    Sunny

    • 14
    • 22

    Partly cloudy

    • 14
    • 21

    Partly cloudy

Today 29 Dec Kangaroo Island

Becoming cloudy. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending southerly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures in the low to mid 30s.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots becoming south to southwesterly 15 to 20 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Mostly sunny.
Weather Situation
A trough lies over western and central parts of SA and will slowly move eastwards today and Tuesday. A ridge of high pressure will begin to move south of the Bight on Tuesday, with the trough expected to move into the northeast on Wednesday and linger there for the remainder of the week.
Graph Plots Open in Graphs

  • 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

    17.7 °C

  • Highest 18 December, 2025

    41 °C

Climate (2020–Present)

Kingscote Airport (25km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21.1 °C
Get WillyWeather+ to remove ads