Cape Sir William Grant Weather Forecast

    • 9
    • 13

    Shower or two

    • 9
    • 13

    Shower or two

    • 5
    • 14

    Shower or two

    • 8
    • 15

    Showers

    • 8
    • 14

    Possible shower

    • 6
    • 14

    Cloudy

    • 6
    • 14

    Partly cloudy

Today 20 Jun South West

Cloudy. Medium chance of showers near the coast, slight chance elsewhere. Winds southerly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 12.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 15 to 20 knots.
Seas
1 to 2 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southerly 3 to 4 metres, tending southwesterly 3 metres by early evening.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A cold southerly airstream across Victoria on Saturday as a high pressure system crosses the Bight. The high will slowly cross South Australia on Sunday and Monday as the next cold front approaches from the west. The front is forecast to cross southern Victoria on Tuesday as the next high moves over waters south of the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

June Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 15 June, 2026

    4.9 °C

  • Average June

    13.3 °C

  • Highest 12 June, 2026

    19 °C

Climate (2021–2026)

Cape Nelson Lighthouse (7km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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