Williamstown Weather Forecast

    • 4
    • 20

    Mostly sunny

    • 10
    • 19

    Possible shower developing

    • 10
    • 16

    Partly cloudy

    • 6
    • 17

    Sunny

    • 6
    • 18

    Possible shower

    • 12
    • 19

    Showers

    • 9
    • 16

    Showers

Today 21 Aug Melbourne

Mostly sunny. Winds north to northeasterly 15 to 20 km/h.

Port Phillip Local Waters

Wind
North to northeasterly below 10 knots becoming east to southeasterly in the middle of the day then becoming north to northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A large high pressure system centred over the Tasman Sea will extend a ridge over Victoria today, then will move eastwards later today and Friday. A couple of weakening cold fronts will move across coastal waters later Friday and early Saturday then another high pressure system moves in quickly, to be centred over southwestern Victoria late Saturday. This high will move eastwards on Sunday then a series of cold fronts will move across early to mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williamstown Temperature Statistics View More

August Temperature

Laverton RAAF Base (12km)

  • Lowest 19 August, 2025

    -0.3 °C

  • Average August

    9.3 °C

  • Highest 11 August, 2025

    19.1 °C

Climate (2020–Present)

Laverton RAAF Base (12km)

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  • Average Low 2020–2025

    10.5 °C

  • Average 2020–2025

    15 °C

  • Average High 2020–2025

    20.4 °C
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