West Island Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 10
    • 18

    Shower or two

    • 7
    • 20

    Showers

    • 11
    • 17

    Showers. Wind easing

    • 8
    • 17

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 8
    • 18

    Possible shower

Today 2 Sep Mount Lofty Ranges

Cloudy. Slight chance of a shower. Winds westerly 15 to 25 km/h increasing to 20 to 30 km/h in the evening. Daytime maximum temperatures between 13 and 16.

South Central Coastal Waters

Wind
Westerly 15 to 20 knots increasing to 20 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres around midday.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure ridge will move across the north of the state on Wednesday and Thursday and a cold front will slip across the southeast of SA early Thursday. The ridge will move eastwards early Friday then another trough will move over SA during the day followed by a cold front early Saturday. Another high pressure ridge will move across during Sunday ahead of a low pressure system expected to develop in the far west later in the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

West Island Temperature Statistics View More

September Temperature

Encounter Bay (6km)

  • Lowest 1 September, 2026

    10 °C

  • Average September

    19.5 °C

  • Highest

    –

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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