West Island Weather Forecast

    • 14
    • 20

    Partly cloudy

    • 14
    • 23

    Sunny

    • 15
    • 22

    Partly cloudy

    • 15
    • 21

    Possible shower

    • 15
    • 20

    Cloudy

    • 14
    • 21

    Partly cloudy

    • 14
    • 22

    Mostly sunny

Today 11 Jan Mount Lofty Ranges

Partly cloudy. Slight chance of a shower on the eastern slopes this morning. Near zero chance of rain elsewhere. Winds southerly 20 to 30 km/h turning southeasterly 25 to 35 km/h in the early morning. Daytime maximum temperatures between 19 and 25.

South Central Coastal Waters

Wind
Southerly 10 to 15 knots turning southeasterly 15 to 20 knots during the morning. Winds reaching up to 25 knots inshore in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 4 metres, decreasing to 2 to 3 metres during the morning, then decreasing to 1.5 to 2 metres by early evening.
Weather
Cloudy.
Weather Situation
A high pressure ridge will begin to develop across the state today. A series of high pressure centres will move south of the Bight before a low pressure trough moves west of the state late on Tuesday. This trough will be pushed northwards along the WA border as new high pressure system develops south of the Bight on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

West Island Temperature Statistics View More

January Temperature

Encounter Bay (6km)

  • Lowest 6 January, 2026

    10.1 °C

  • Average January

    20.6 °C

  • Highest 7 January, 2026

    42.1 °C

Climate (2021–Present)

Encounter Bay (6km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.6 °C
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