Cape Sir William Grant Weather Forecast

    • 9
    • 16

    Showers developing

    • 10
    • 15

    Rain easing

    • 9
    • 15

    Cloudy

    • 6
    • 16

    Partly cloudy

    • 7
    • 18

    Shower or two

    • 9
    • 16

    Possible shower

    • 9
    • 15

    Partly cloudy

Today 24 Aug South West

Cloudy. High chance of showers, most likely in the evening. Winds northerly 15 to 25 km/h turning northeasterly 15 to 20 km/h in the late afternoon. Overnight temperatures falling to around 8 with daytime temperatures reaching around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 10 to 15 knots, reaching up to 20 knots in the east during the morning. Winds decreasing to below 10 knots in the late afternoon then becoming east to northeasterly in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 80% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

August Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 1 August, 2026

    5.6 °C

  • Average August

    11.8 °C

  • Highest 19 August, 2026

    17.9 °C

Climate (2021–2026)

Cape Nelson Lighthouse (7km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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