Williamstown Beach Weather Forecast

    • 8
    • 18

    Showers increasing

    • 14
    • 19

    Showers

    • 11
    • 17

    Shower or two

    • 11
    • 15

    Shower or two

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 7
    • 16

    Partly cloudy

Today 4 Sep Melbourne

Partly cloudy. Very high chance of showers, most likely in the evening. Light winds becoming northwesterly 15 to 25 km/h in the morning then tending northerly 25 to 40 km/h in the early afternoon.

Port Phillip Local Waters

Wind
Northwesterly 10 to 15 knots turning northerly 15 to 20 knots in the late afternoon.
Seas
Around 1 metre.
Weather
Partly cloudy. 90% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

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Williamstown Beach Temperature Statistics View More

September Temperature

Laverton RAAF Base (11km)

  • Lowest 1 September, 2026

    7.5 °C

  • Average September

    14 °C

  • Highest 1 September, 2026

    22.1 °C

Climate (2021–2026)

Laverton RAAF Base (11km)

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  • Average Low 2021–2026

    10.6 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.6 °C
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