Cape Sir William Grant Weather Forecast

    • 9
    • 21

    Cloudy

    • 11
    • 17

    Showers easing

    • 8
    • 14

    Rain

    • 8
    • 13

    Partly cloudy

    • 7
    • 16

    Partly cloudy

    • 9
    • 22

    Possible shower

    • 13
    • 20

    Showers easing

Today 24 Sep South West

Cloudy. Slight chance of a shower. Winds north to northwesterly 15 to 20 km/h becoming light in the late afternoon then becoming northerly 15 to 20 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system over the Tasman Sea is directing a warm northerly airstream over Victoria as a low pressure trough approaches from the west. The trough is forecast to cross Victoria on Friday as a band of mid-level cloud crosses the Bight. The cloudband is expected to cross Victoria on Saturday as a strong high pressure system crosses the Southern Ocean. During Sunday the high is forecast to approach Tasmania with a ridge extending across Bass Strait. The high is then expected to move over the Tasman Sea on Monday with winds tending warmer northeasterly over Victoria.
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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

    12.9 °C

  • Highest 20 September, 2026

    25.5 °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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