Half Moon Bay Weather Forecast

    • 6
    • 15

    Possible shower. Windy

    • 6
    • 14

    Mostly sunny

    • 3
    • 16

    Partly cloudy

    • 7
    • 16

    Shower or two

    • 7
    • 15

    Shower or two

    • 5
    • 16

    Sunny

    • 5
    • 14

    Shower or two

Today 19 Jul Melbourne

Cloud increasing. Slight chance of a shower, most likely in the late afternoon and evening. Winds northerly 35 to 50 km/h decreasing to 25 to 35 km/h in the early afternoon then turning northwesterly 15 to 20 km/h during the afternoon and evening.

Port Phillip Local Waters

Wind
Northerly 20 to 30 knots, reaching up to 35 knots in the south in the afternoon. Winds turning northwesterly 15 to 20 knots in the early afternoon.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
Weather
Cloudy.
Weather Situation
A high pressure system crossing NSW extends a ridge over eastern Bass Strait as a weak cold front approaches from the west. The front will cross Bass Strait on Saturday afternoon and evening as the next high pressure system crosses South Australia. The high will then cross Victoria on Sunday before moving over the Tasman Sea on Monday as the next cold front approaches from the west. This front will also weaken as it crosses Victoria and Bass Strait on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Bay Temperature Statistics View More

July Temperature

Moorabbin Airport (21km)

  • Lowest 4 July, 2025

    2.9 °C

  • Average July

    10.6 °C

  • Highest 6 July, 2025

    18.4 °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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