Cape Sir William Grant Weather Forecast

    • 17
    • 24

    Shower or two

    • 12
    • 17

    Cloudy

    • 12
    • 28

    Mostly sunny

    • 16
    • 27

    Showers increasing

    • 13
    • 18

    Showers

    • 9
    • 15

    Showers

    • 7
    • 13

    Showers

Today 20 Oct South West

Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the afternoon and evening. Winds northerly 25 to 35 km/h becoming light in the evening. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northerly 15 to 20 knots shifting south to southwesterly 10 to 15 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Sir William Grant Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (7 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    14.8 °C

  • Highest 18 October, 2026

    28.6 °C

Climate (2021–2026)

Cape Nelson Lighthouse (7 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
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