Half Moon Bay Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 12
    • 29

    Mostly sunny

    • 18
    • 30

    Mostly sunny

    • 15
    • 22

    Showers

    • 11
    • 16

    Showers

    • 8
    • 15

    Shower or two

    • 7
    • 16

    Possible shower

Today 21 Oct Geelong and Surf Coast

Partly cloudy. The chance of fog early this morning. Slight chance of a shower this afternoon. The chance of a thunderstorm during this afternoon and early evening. Light winds becoming south to southeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening.

Port Phillip Local Waters

Wind
Variable about 10 knots becoming southerly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm this afternoon.
Weather Situation
A high pressure system centred over the Tasman Sea will drift slowly eastwards throughout this week. A weak trough lingers over western Victoria today, before a cold front approaches from the west on Friday, crossing the State over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Bay Temperature Statistics View More

October Temperature

Avalon Airport (23 km)

  • Lowest 15 October, 2026

    1.5 °C

  • Average October

    14.5 °C

  • Highest 9 October, 2026

    27.4 °C

Climate (2021–2026)

Avalon Airport (23 km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    14.7 °C

  • Average High 2021–2026

    20.6 °C
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