Cap Island Weather Forecast

    • 14
    • 15

    Partly cloudy

    • 11
    • 16

    Shower

    • 14
    • 17

    Shower

    • 13
    • 14

    Rain

    • 13
    • 15

    Shower

    • 13
    • 14

    Shower

    • 14
    • 16

    Shower

Today 6 Aug West Coast

Partly cloudy. Patchy morning fog. Slight chance of a shower west of Nullarbor, most likely this evening. Near zero chance of rain elsewhere. Light winds becoming east to northeasterly 15 to 20 km/h in the morning. Daytime maximum temperatures between 18 and 22.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A trough continues moving across southeast coastal parts of SA Thursday morning. A weak high pressure system centred over western NSW will slowly move east while maintaining a ridge over SA until the weekend. A strong cold front will begin to move into the Bight and track east over the state from Saturday into Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cap Island Temperature Statistics View More

August Temperature

Cummins Airport (64km)

  • Lowest 2 August, 2026

    2.7 °C

  • Average August

    8.9 °C

  • Highest 1 August, 2026

    15.6 °C

Climate (2021–2026)

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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