West Island Weather Forecast

    • 15
    • 28

    Becoming cloudy

    • 12
    • 21

    Showers easing

    • 11
    • 22

    Cloud clearing

    • 10
    • 25

    Mostly sunny

    • 11
    • 27

    Partly cloudy

    • 15
    • 28

    Sunny

    • 15
    • 28

    Mostly sunny

Today 25 Apr Mount Lofty Ranges

Becoming cloudy. Slight chance of a shower in the south this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm about the southern Fleurieu Peninsula later tonight. Winds northerly 20 to 30 km/h tending northwesterly in the middle of the day then becoming light in the late evening. Daytime maximum temperatures in the mid to high 20s.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm this evening.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge over SA. A cold front will pass over the south on Saturday, weakening and clearing in the east early Sunday. A new high pressure system will develop in the Bight on Sunday, drifting east early next week to merge with the strong high in the Tasman Sea.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

West Island Temperature Statistics View More

April Temperature

Encounter Bay (6km)

  • Lowest 18 April, 2026

    5.5 °C

  • Average April

    16.6 °C

  • Highest 21 April, 2026

    30.3 °C

Climate (2021–Present)

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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