Cape Sir William Grant Weather Forecast

    • 11
    • 15

    Showers. Windy

    • 10
    • 15

    Shower or two

    • 9
    • 14

    Shower or two

    • 5
    • 14

    Possible shower

    • 8
    • 13

    Partly cloudy

    • 7
    • 14

    Mostly sunny

    • 5
    • 17

    Mostly sunny

Today 5 Sep South West

Cloudy. High chance of showers, becoming less likely in the evening. The chance of a thunderstorm in the late afternoon and evening. Damaging winds possible. Winds westerly 25 to 40 km/h decreasing to 20 to 30 km/h in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 20 to 30 knots turning southwesterly in the late evening.
Seas
2 to 3 metres.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the late afternoon and evening with possible squalls.
Weather Situation
A vigorous westerly airstream will ease tonight as a cold front clears eastern Victoria. A high pressure ridge will extend over northern Victoria on Sunday before a cold front crosses southern Victoria on Monday. The high pressure ridge will then extend across northern Victoria on Tuesday before a weak cold front crosses southern Victoria on Wednesday.
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  • 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

    12.7 °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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