Cape Sir William Grant Weather Forecast

    • 8
    • 13

    Cloudy

    • 8
    • 13

    Cloudy

    • 7
    • 14

    Cloudy

    • 5
    • 20

    Mostly sunny

    • 11
    • 23

    Sunny

    • 13
    • 21

    Shower or two. Becoming windy

    • 9
    • 14

    Cloudy

Today 15 Sep South West

Cloudy. Medium chance of showers near the Otways, becoming less likely later this evening. Near zero chance of rain elsewhere. Possible small hail near the Otways early this evening. Winds southwesterly 25 to 35 km/h turning southerly 15 to 25 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning southerly in the late evening.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A strong high pressure system south of the Bight is directing a cold southwesterly airstream across Victoria. The high will move slowly east on Wednesday and extend a ridge across southern Victoria, with the high moving over western Victoria by Thursday night. Winds will tend warmer northwesterly on Friday and into Saturday as the high moves slowly over NSW.
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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 8 September, 2026

    3.5 °C

  • Average September

    13 °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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