Williamstown Beach Weather Forecast

    • 9
    • 16

    Cloudy

    • 6
    • 17

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 11
    • 19

    Shower or two

    • 9
    • 15

    Shower or two

    • 8
    • 16

    Shower or two

    • 9
    • 18

    Shower or two

Today 21 May Melbourne

Cloudy. The chance of morning fog about the nearby hills. Light winds.

Port Phillip Local Waters

Wind
West to southwesterly about 10 knots becoming east to southeasterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy.
Weather Situation
A high near the South Australian coast extends a ridge across the north of the State. The ridge will extend across the remainder of Victoria tonight then persist for for the rest of the week. The high centre will move southeast on Saturday as a weak cold front approaches from the west, crossing Bass Strait on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Beach Temperature Statistics View More

May Temperature

Laverton RAAF Base (11km)

  • Lowest 11 May, 2026

    5.8 °C

  • Average May

    14.7 °C

  • Highest 1 May, 2026

    28 °C

Climate (2021–Present)

Laverton RAAF Base (11km)

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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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