Half Moon Bay Weather Forecast

    • 10
    • 28

    Showers

    • 12
    • 20

    Morning shower or two

    • 8
    • 18

    Showers developing

    • 11
    • 23

    Showers. Possible storm

    • 9
    • 17

    Cloudy

    • 7
    • 18

    Cloudy

    • 8
    • 18

    Shower or two

Today 19 Oct Geelong and Surf Coast

Cloudy. High chance of showers, most likely later this evening. Winds northwesterly 25 to 35 km/h turning west to southwesterly 15 to 20 km/h in the evening.

Port Phillip Local Waters

Wind
Northwesterly 15 to 20 knots turning southwesterly in the evening.
Seas
Around 1 metre.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A trough over Victoria will continue to move eastwards overnight and 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

Half Moon Bay Temperature Statistics View More

October Temperature

Avalon Airport (23km)

  • Lowest 13 October, 2025

    3.1 °C

  • Average October

    14.1 °C

  • Highest 16 October, 2025

    32.5 °C

Climate (2020–Present)

Avalon Airport (23km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.5 °C
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