Williamstown Marina Weather Forecast

    • 14
    • 20

    Possible shower

    • 11
    • 24

    Mostly sunny

    • 13
    • 28

    Mostly sunny

    • 16
    • 24

    Showers increasing

    • 16
    • 21

    Shower or two

    • 14
    • 23

    Mostly sunny

    • 15
    • 23

    Partly cloudy

Today 13 Mar Melbourne

Cloudy. Medium chance of showers this morning. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly 20 to 30 km/h during the day.

Port Phillip Local Waters

Wind
Southerly 15 to 20 knots tending southeasterly 10 to 15 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Weather
Cloudy.
Weather Situation
A ridge of high pressure extends over southern Victoria and will persist into the weekend as a large high pressure system crosses waters south of the Bight. On Sunday a broad low pressure trough will develop over northern Victoria and linger in the north east into Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Marina Temperature Statistics View More

March Temperature

Laverton RAAF Base (13km)

  • Lowest 12 March, 2026

    11.6 °C

  • Average March

    19.3 °C

  • Highest 9 March, 2026

    31.6 °C

Climate (2021–Present)

Laverton RAAF Base (13km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.1 °C

  • Average High 2021–2026

    20.5 °C
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