Cap Island Weather Forecast

    • 17
    • 18

    Clear

    • 16
    • 18

    Sunny

    • 16
    • 19

    Sunny

    • 18
    • 20

    Partly cloudy

    • 18
    • 19

    Partly cloudy

    • 18
    • 18

    Partly cloudy

    • 16
    • 17

    Windy

Today 20 Mar West Coast

Partly cloudy. Slight chance of a shower east of Ceduna in the late morning and afternoon. Near zero chance of rain elsewhere. Light winds becoming southerly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures in the mid to high 20s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Southerly 10 to 15 knots tending southeasterly in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Clear.
Weather Situation
A ridge of high pressure will persist across the coastal waters. The high pressure centre associated with the ridge will become established in the Tasman Sea over the weekend. A trough moves over the south early next week with a cold front clipping the southeast mid week. A new ridge develops south of the Bight early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cap Island Temperature Statistics View More

March Temperature

Cummins Airport (64km)

  • Lowest 9 March, 2026

    7.5 °C

  • Average March

    18.7 °C

  • Highest 10 March, 2026

    35.2 °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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