Port Melbourne Weather Forecast

    • 14
    • 21

    Mostly clear

    • 10
    • 20

    Rain developing

    • 15
    • 22

    Rain. Possible storm

    • 10
    • 16

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 10
    • 21

    Shower or two

    • 13
    • 19

    Showers

Today 20 Oct Melbourne

Partly cloudy. Medium chance of showers in the northwest suburbs, slight chance elsewhere. The chance of a thunderstorm in the early afternoon. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the evening then becoming light in the late evening.

Port Phillip Local Waters

Wind
Westerly 10 to 15 knots turning south to southwesterly in the evening. Winds reaching up to 20 knots in the south in the evening.
Seas
Below 1 metre.
Weather
Mostly sunny.
Weather Situation
A trough over Victoria will clear to the east during Monday. A ridge of high pressure is expected to pass quickly over the state early Tuesday ahead of a strong low pressure system developing in the west. The low is forecast to move over Bass Strait on Wednesday with an associated front passing over the state. A new high pressure system is expected to move into the west later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Melbourne Temperature Statistics View More

October Temperature

Essendon Airport (12km)

  • Lowest 13 October, 2025

    5.7 °C

  • Average October

    15.2 °C

  • Highest 16 October, 2025

    30.5 °C

Climate (2020–Present)

Essendon Airport (12km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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