Cape Sir William Grant Weather Forecast

    • 10
    • 17

    Shower or two

    • 9
    • 17

    Shower or two

    • 11
    • 17

    Showers increasing

    • 12
    • 17

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 9
    • 17

    Shower or two

    • 10
    • 17

    Showers

Today 24 May South West

Cloudy. Medium chance of showers, most likely during this afternoon and evening. Winds northeasterly 15 to 20 km/h becoming light in the early morning then becoming northeasterly 15 to 20 km/h in the morning. Daytime maximum temperatures between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A ridge of high pressure extends over Victoria from a high pressure system centred over the Tasman Sea. The ridge will weaken over the weekend as the high moves away to the southeast and a low pressure system develops over the south of SA. This low is expected to move inland across southern SA on Monday and early Tuesday then move over NSW during Tuesday and extend a trough over Victoria. The low and trough will move slowly eastwards on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

May Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 7 May, 2026

    6.7 °C

  • Average May

    14.6 °C

  • Highest 1 May, 2026

    28.1 °C

Climate (2021–Present)

Cape Nelson Lighthouse (7km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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