Cap Island Weather Forecast

    • 15
    • 19

    Clear

    • 15
    • 19

    Partly cloudy

    • 17
    • 19

    Shower

    • 16
    • 17

    Shower

    • 16
    • 17

    Shower

    • 15
    • 18

    Shower

    • 16
    • 18

    Shower

Today 13 May West Coast

Mostly clear. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. The chance of a thunderstorm south of Streaky Bay. Winds east to southeasterly 15 to 20 km/h becoming light in the evening.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly clear. The chance of a thunderstorm inshore.
Weather Situation
A strong high pressure system in the Tasman Sea is slowly moving east. A cold front will move east across the Southern Ocean over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cap Island Temperature Statistics View More

May Temperature

Cummins Airport (64km)

  • Lowest 10 May, 2026

    7.6 °C

  • Average May

    14.7 °C

  • Highest 1 May, 2026

    31 °C

Climate (2021–Present)

Cummins Airport (64km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    15.7 °C

  • Average High 2021–2026

    22.9 °C
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