Ballast Head Weather Forecast

    • 10
    • 16

    Shower or two

    • 11
    • 19

    Showers. Possible storm

    • 13
    • 18

    Showers. Wind easing

    • 11
    • 16

    Showers

    • 10
    • 16

    Showers

    • 10
    • 18

    Shower or two

    • 10
    • 18

    Shower or two

Today 31 May Kangaroo Island

Cloudy. High chance of showers, most likely at night. Winds west to southwesterly 15 to 25 km/h becoming light in the middle of the day then becoming northerly 15 to 25 km/h in the evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
West to southwesterly 15 to 20 knots becoming west to northwesterly about 10 knots in the early afternoon then tending northerly 15 to 20 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A weak high pressure system moves across from the west today. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A another low pressure moves over waters to the southeast on Wednesday. A high pressure system follows the low moving across northern parts of SA later in the week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ballast Head Temperature Statistics View More

May Temperature

Kingscote Airport (25km)

  • Lowest 22 May, 2026

    4.9 °C
  • Average May

    13.9 °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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