Ballast Head Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 15
    • 19

    Possible shower. Windy

    • 15
    • 20

    Partly cloudy

    • 15
    • 22

    Mostly sunny

    • 16
    • 29

    Mostly sunny

    • 17
    • 27

    Sunny

    • 17
    • 26

    Partly cloudy

Today 14 Jan Kangaroo Island

Partly cloudy. Slight chance of a shower in the west, near zero chance elsewhere. Winds southeasterly 20 to 30 km/h turning southerly in the afternoon. Overnight temperatures falling to around 14 with daytime temperatures reaching the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Southeasterly 15 to 25 knots turning southerly in the middle of the day.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres by early evening.
1st Swell
West to southwesterly below 1 metre, increasing to around 1 metre through the Backstairs Passage.
Weather
Mostly sunny.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ballast Head Temperature Statistics View More

January Temperature

Kingscote Airport (25km)

  • Lowest 6 January, 2026

    9.8 °C
  • Average January

    19.3 °C
  • Highest 7 January, 2026

    41.5 °C

Climate (2021–Present)

Kingscote Airport (25km)

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  • Average Low 2021–2026

    9.2 °C
  • Average 2021–2026

    14.7 °C
  • Average High 2021–2026

    21.1 °C
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