Half Moon Bay Weather Forecast

    • 9
    • 19

    Shower or two

    • 11
    • 20

    Possible shower

    • 11
    • 18

    Shower or two

    • 10
    • 18

    Possible shower

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Showers

    • 9
    • 16

    Showers

Today 25 May Melbourne

Partly cloudy. Medium chance of showers, becoming less likely late this afternoon and evening. Light winds.

Port Phillip Local Waters

Wind
East to northeasterly below 10 knots becoming southeasterly in the early afternoon then increasing to 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A low pressure system centred west of Kangaroo Island is expected to move slowly inland across southern SA during today and early Tuesday then over NSW later Tuesday and extend a trough over Victoria. The low and trough will move slowly eastwards on Wednesday and Thursday to be over the western Tasman Sea on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Bay Temperature Statistics View More

May Temperature

Moorabbin Airport (21km)

  • Lowest 22 May, 2026

    3.5 °C

  • Average May

    14.4 °C

  • Highest 1 May, 2026

    28.1 °C

Climate (2021–Present)

Moorabbin Airport (21km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.5 °C
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