Williamstown Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 9
    • 20

    Rain increasing

    • 6
    • 13

    Showers. Becoming windy

    • 9
    • 16

    Showers

    • 11
    • 16

    Shower or two

    • 11
    • 17

    Shower or two

    • 9
    • 18

    Partly cloudy

Today 5 May Melbourne

Cloudy. Slight chance of a shower, becoming less likely in the afternoon. Winds west to southwesterly 20 to 30 km/h becoming light in the evening.

Port Phillip Local Waters

Wind
West to southwesterly 15 to 20 knots decreasing to about 10 knots in the late afternoon.
Seas
Around 1 metre.
Weather
Partly cloudy.
Weather Situation
A low pressure system will weaken as it moves through Bass Strait early this morning. A ridge of high pressure extends over northern Victoria during Tuesday ahead of a cold front approaching from the Bight. This front is forecast to cross Bass Strait between late Wednesday and early Thursday. A low pressure system may form in the Tasman Sea near the eastern Victorian coast during Thursday, before moving away to the east early Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Temperature Statistics View More

May Temperature

Laverton RAAF Base (12km)

  • Lowest 4 May, 2026

    12.6 °C

  • Average May

    18.6 °C

  • Highest 1 May, 2026

    28 °C

Climate (2021–Present)

Laverton RAAF Base (12km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.1 °C

  • Average High 2021–2026

    20.6 °C
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