Half Moon Bay Weather Forecast

    • 6
    • 20

    Mostly clear

    • 12
    • 22

    Showers developing. Windy

    • 7
    • 14

    Showers easing

    • 9
    • 18

    Showers

    • 7
    • 14

    Showers

    • 7
    • 16

    Possible shower

    • 8
    • 17

    Shower or two

Today 18 Sep Melbourne

Partly cloudy. Winds north to northwesterly 25 to 40 km/h.

Port Phillip Local Waters

Wind
Northerly 15 to 25 knots.
Seas
Around 1 metre.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system to the north of Victoria will move into the Tasman Sea today, before a series of cold fronts cross Bass Strait between late Friday and early Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Bay Temperature Statistics View More

September Temperature

Moorabbin Airport (21km)

  • Lowest 6 September, 2025

    0.7 °C

  • Average September

    13.6 °C

  • Highest 15 September, 2025

    25.2 °C

Climate (2020–Present)

Moorabbin Airport (21km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    15.2 °C

  • Average High 2020–2025

    20.3 °C
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