Williamstown Beach Weather Forecast

    • 7
    • 17

    Partly cloudy

    • 9
    • 20

    Possible shower

    • 13
    • 17

    Showers

    • 11
    • 18

    Shower or two

    • 9
    • 16

    Partly cloudy

    • 10
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 17 Aug Melbourne

Mostly sunny. Light winds.

Port Phillip Local Waters

Wind
Variable about 10 knots becoming easterly 10 to 15 knots in the late evening.
Seas
Below 1 metre.
Weather
Cloud clearing.
Weather Situation
A high pressure system centred over Tasmania will move over the Tasman Sea during today. An associated ridge south of Victoria will also move eastwards over the Tasman Sea. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday then a weak high pressure ridge will move over the state on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Beach Temperature Statistics View More

August Temperature

Laverton RAAF Base (11km)

  • Lowest 1 August, 2026

    0.8 °C

  • Average August

    11.1 °C

  • Highest 8 August, 2026

    18.1 °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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