Williamstown Weather Forecast

    • 18
    • 26

    Showers. Storm developing

    • 15
    • 18

    Showers increasing

    • 11
    • 17

    Showers easing

    • 13
    • 20

    Shower or two

    • 13
    • 21

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 15
    • 27

    Sunny

Today 25 Mar Melbourne

Becoming cloudy. The chance of fog about the nearby hills early this morning. Very high chance of showers, most likely during this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the northeast suburbs. Winds north to northwesterly 15 to 20 km/h shifting south to southwesterly in the late afternoon.

Port Phillip Local Waters

Wind
North to northwesterly below 10 knots tending northwest to southwesterly 10 to 15 knots in the early afternoon then tending south to southwesterly in the evening. Winds reaching up to 20 knots in the south in the evening.
Seas
Below 1 metre.
Weather
Becoming cloudy. 80% chance of showers. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
A high pressure system to the east will allow a trough to move over the state today. A cold southerly flow will follow on Thursday and Friday. A new high pressure system south of the Bight on Friday, is expected to move slowly east towards Victoria on the weekend.
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  • Temperature Forecast Bureau of Meteorology

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Williamstown Temperature Statistics View More

March Temperature

Laverton RAAF Base (12km)

  • Lowest 14 March, 2026

    8.1 °C

  • Average March

    18.8 °C

  • Highest 22 March, 2026

    31.8 °C

Climate (2021–Present)

Laverton RAAF Base (12km)

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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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