Cape Sir William Grant Weather Forecast

    • 11
    • 16

    Showers increasing

    • 8
    • 13

    Shower or two

    • 8
    • 13

    Cloudy

    • 7
    • 14

    Cloudy

    • 5
    • 20

    Sunny

    • 11
    • 23

    Sunny

    • 11
    • 17

    Shower or two

Today 14 Sep South West

Cloudy. High chance of showers, most likely in the evening. Winds northwesterly 15 to 20 km/h becoming light before dawn then becoming westerly 15 to 25 km/h in the morning. Overnight temperatures falling to around 10 with daytime temperatures reaching around 17.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 10 to 15 knots tending westerly 15 to 20 knots before dawn. Winds reaching up to 25 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 1.5 to 2 metres, tending westerly 2 to 2.5 metres later in the evening.
Weather
Partly cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

September Temperature

Cape Nelson Lighthouse (7km)

  • Lowest 8 September, 2026

    3.5 °C

  • Average September

    12.9 °C

  • Highest 12 September, 2026

    19.7 °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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