Williamstown Weather Forecast

    • 10
    • 16

    Showers

    • 11
    • 16

    Shower or two

    • 12
    • 16

    Possible shower

    • 9
    • 17

    Cloud clearing

    • 9
    • 21

    Cloud clearing

    • 9
    • 21

    Partly cloudy

    • 10
    • 22

    Mostly sunny

Today 8 May Melbourne

Cloudy. High chance of showers. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening.

Port Phillip Local Waters

Wind
Southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A cold front to the east moves slowly eastward into the Tasman Sea, whilst a high pressure system deepens south of the Bight. The high will slowly move eastward to the south over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Temperature Statistics View More

May Temperature

Laverton RAAF Base (12km)

  • Lowest 7 May, 2026

    5.9 °C

  • Average May

    15.9 °C

  • Highest 1 May, 2026

    28 °C

Climate (2021–Present)

Laverton RAAF Base (12km)

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  • Average Low 2021–2026

    10.6 °C

  • Average 2021–2026

    15.1 °C

  • Average High 2021–2026

    20.6 °C
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