Cape Sir William Grant Weather Forecast

    • 12
    • 22

    Sunny

    • 13
    • 23

    Shower or two. Windy

    • 8
    • 13

    Partly cloudy

    • 4
    • 15

    Mostly sunny

    • 5
    • 19

    Mostly sunny

    • 10
    • 22

    Possible shower

    • 13
    • 22

    Partly cloudy

Today 19 Sep South West

Sunny. Winds northwesterly 25 to 35 km/h. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching the low to mid 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots in the east early in the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.
1st Swell
Westerly 2 to 3 metres, tending southwesterly 2 to 2.5 metres later in the evening.
Weather
Sunny.
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

    12.6 °C

  • Highest 13 September, 2026

    23.7 °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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