West Island Weather Forecast

    • 9
    • 17

    Mostly clear

    • 7
    • 16

    Cloudy

    • 8
    • 17

    Partly cloudy

    • 5
    • 18

    Partly cloudy

    • 7
    • 18

    Shower or two

    • 8
    • 16

    Shower or two

    • 7
    • 17

    Partly cloudy

Today 20 Aug Mount Lofty Ranges

Partly cloudy. Slight chance of a shower near the Barossa Valley, near zero chance elsewhere. Light winds.

South Central Coastal Waters

Wind
Westerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres west of Kangaroo Island.
Weather
Cloudy.
Weather Situation
A trough moves over the southeast Thursday evening. A high pressure system moves into the west on Friday and continues moving slowly eastwards to be situated in the Tasman Sea on Sunday. A low pressure system and associated trough move into the far west on Sunday and then moves across the state on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

West Island Temperature Statistics View More

August Temperature

Encounter Bay (6km)

  • Lowest 1 August, 2026

    0.5 °C

  • Average August

    12 °C

  • Highest 18 August, 2026

    20.3 °C

Climate (2021–2026)

Encounter Bay (6km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.7 °C
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