Cape Sir William Grant Weather Forecast

    • 8
    • 15

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 6
    • 16

    Cloud clearing

    • 9
    • 18

    Showers

    • 10
    • 15

    Shower or two

    • 9
    • 16

    Showers

Today 28 Aug South West

Partly cloudy. The chance of fog and frost in the north this morning. High chance of showers near the Otways, slight chance elsewhere. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 10 to 15 knots, reaching up to 20 knots in the far east during the morning. Winds turning south to southwesterly during the morning.
Seas
Around 1 metre, decreasing below 0.5 metres by early evening.
1st Swell
West to southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure centre will persist across the State, weakening slightly during Friday as the tail end of a cold front clips southern parts of the State. A new ridge builds eastwards across the State from Saturday and moves slowly eastwards on Sunday and Monday.
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

    11.9 °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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