Williamstown Weather Forecast

    • 18
    • 27

    Partly cloudy

    • 18
    • 27

    Partly cloudy

    • 15
    • 30

    Sunny

    • 20
    • 30

    Mostly sunny

    • 18
    • 25

    Showers increasing

    • 12
    • 19

    Showers

    • 9
    • 16

    Shower or two

Today 20 Oct Melbourne

Partly cloudy. Slight chance of a shower in the afternoon and early evening. The chance of a thunderstorm in the afternoon and early evening. Winds northerly 25 to 40 km/h.

Port Phillip Local Waters

Wind
Northerly 15 to 20 knots turning east to northeasterly below 10 knots in the evening.
Seas
Around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and early evening.
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  • Temperature Forecast Bureau of Meteorology

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Williamstown Temperature Statistics View More

October Temperature

Laverton RAAF Base (12 km)

  • Lowest 15 October, 2026

    3.8 °C

  • Average October

    15.3 °C

  • Highest 18 October, 2026

    27.3 °C

Climate (2021–2026)

Laverton RAAF Base (12 km)

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  • Average Low 2021–2026

    10.7 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.6 °C
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