Williamstown Marina Weather Forecast

    • 11
    • 19

    Possible shower

    • 11
    • 18

    Shower or two

    • 13
    • 17

    Shower or two

    • 10
    • 17

    Possible shower

    • 11
    • 16

    Shower or two

    • 10
    • 17

    Shower or two

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    Shower or two

Today 25 May Melbourne

Partly cloudy. Medium chance of showers, becoming less likely in the evening. The chance of a thunderstorm in the afternoon and evening. Light winds.

Port Phillip Local Waters

Wind
Easterly below 10 knots tending southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the south in the afternoon.
Weather Situation
A low pressure system centred west of Kangaroo Island is expected to move slowly inland across southern SA during today and early Tuesday then over NSW later Tuesday and extend a trough over Victoria. The low and trough will move slowly eastwards on Wednesday and Thursday to be over the western Tasman Sea on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Marina Temperature Statistics View More

May Temperature

Laverton RAAF Base (13km)

  • Lowest 22 May, 2026

    4.5 °C

  • Average May

    14.3 °C

  • Highest 1 May, 2026

    28 °C

Climate (2021–Present)

Laverton RAAF Base (13km)

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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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