Cap Island Weather Forecast

    • 17
    • 18

    Clear

    • 16
    • 19

    Sunny

    • 17
    • 19

    Partly cloudy

    • 18
    • 21

    Shower

    • 19
    • 19

    Shower

    • 17
    • 19

    Windy

    • 17
    • 19

    Partly cloudy

Today 18 Feb West Coast

Mostly clear. Winds southerly 25 to 35 km/h.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure across the south of SA will weaken during Saturday as a broad trough of low pressure extends across the west and north. The trough will move eastwards during Sunday and a cold front will move across the south. A broad area of low pressure will persist across the north early next week and a high pressure ridge will become established over waters to the south.
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  • Temperature Forecast Bureau of Meteorology

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Cap Island Temperature Statistics View More

February Temperature

Cummins Airport (64km)

  • Lowest 4 February, 2026

    6.5 °C
  • Average February

    21.8 °C
  • Highest 10 February, 2026

    39.7 °C

Climate (2021–Present)

Cummins Airport (64km)

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  • Average Low 2021–2026

    9.5 °C
  • Average 2021–2026

    15.6 °C
  • Average High 2021–2026

    22.9 °C
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