Cape Sir William Grant Weather Forecast

    • 7
    • 17

    Showers increasing

    • 10
    • 15

    Showers. Windy

    • 10
    • 15

    Shower or two

    • 9
    • 14

    Shower or two

    • 6
    • 14

    Possible shower

    • 8
    • 14

    Partly cloudy

    • 5
    • 15

    Partly cloudy

Today 4 Sep South West

Cloudy. Very high chance of showers, most likely late this afternoon and evening. Winds northerly 25 to 35 km/h. Daytime maximum temperatures around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 15 to 20 knots tending north to northwesterly during the morning.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 4 to 6 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A cold front embedded in a westerly flow moves away into the Tasman Sea, as a ridge of high pressure builds over the north of the State today. The high will move into the Tasman Sea later today, ahead of an approaching strong cold front to the west. The front will cross Victoria during Saturday. Another ridge of high pressure extends over the State during Sunday before another cold front clips the south of the State on Monday.
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 1 September, 2026

    9.2 °C

  • Average September

    13 °C

  • Highest 1 September, 2026

    19.3 °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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