Williamstown Beach Weather Forecast

    • 16
    • 31

    Possible storm

    • 16
    • 21

    Cloudy

    • 14
    • 22

    Mostly sunny

    • 13
    • 29

    Mostly sunny

    • 19
    • 39

    Sunny

    • 20
    • 30

    Partly cloudy

    • 19
    • 36

    Possible shower

Today 3 Jan Melbourne

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm during this afternoon and evening. Winds northwest to northeasterly 20 to 30 km/h tending northwest to southwesterly in the early afternoon then tending south to southwesterly in the evening.

Port Phillip Local Waters

Wind
Variable about 10 knots becoming south to southwesterly 15 to 20 knots in the early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
Weather
Partly cloudy. The chance of a thunderstorm during this afternoon and early evening.
Weather Situation
A high pressure system centred south of SA extends a ridge over Victoria. The ridge will contract southwards today as a trough to the north extends over western Victoria. This trough will move slowly eastwards across the state over the weekend. A new high pressure system south of SA will extend a ridge over Victoria on Monday. The high will move eastwards during Tuesday but will continue to extend a ridge over Victoria.
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  • Temperature Forecast Bureau of Meteorology

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Williamstown Beach Temperature Statistics View More

January Temperature

Laverton RAAF Base (11km)

  • Lowest 1 January, 2026

    13.9 °C

  • Average January

    16.6 °C

  • Highest 1 January, 2026

    21 °C

Climate (2021–Present)

Laverton RAAF Base (11km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15 °C

  • Average High 2021–2026

    20.4 °C
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