Cape Sir William Grant Weather Forecast

    • 8
    • 14

    Showers

    • 10
    • 15

    Showers easing

    • 9
    • 15

    Shower or two

    • 8
    • 14

    Cloudy

    • 6
    • 14

    Partly cloudy

    • 6
    • 17

    Mostly sunny

    • 8
    • 18

    Possible shower

Today 12 Aug South West

Partly cloudy. High chance of showers in the southeast, medium chance elsewhere. Winds westerly 15 to 25 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the east during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure system developing south of the Bight extends a ridge over Victoria this evening in the wake of a weak cold front. The high will then drift slowly to the southeast over Tasmania over the weekend.
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  • 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

    11.1 °C

  • Highest 2 August, 2026

    15.7 °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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