Cape Sir William Grant Weather Forecast

    • 8
    • 17

    Showers

    • 11
    • 16

    Rain

    • 8
    • 15

    Showers

    • 8
    • 15

    Showers increasing

    • 9
    • 15

    Shower or two

    • 8
    • 15

    Possible shower

    • 8
    • 15

    Shower or two

Today 18 Aug South West

Cloudy. High chance of showers. Winds northeasterly 20 to 30 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots in the far west in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres offshore.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over most of the state. A weak front will move across South Australia on Tuesday and early Wednesday then will move over Victoria during Wednesday. A high pressure system and associated ridge will approach from the west on Thursday, and be centred over the state on Saturday, as a series of cold fronts move across Tasmania.
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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

    11.5 °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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