Bonbeach Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 3
    • 17

    Sunny

    • 5
    • 21

    Sunny

    • 8
    • 26

    Partly cloudy

    • 15
    • 26

    Possible shower

    • 12
    • 18

    Shower or two

    • 10
    • 21

    Partly cloudy

Today 21 Sep Melbourne

Cloudy. Slight chance of a shower this morning. Winds southwesterly 20 to 30 km/h tending southerly 15 to 25 km/h in the middle of the day then becoming light in the evening.

Port Phillip Local Waters

Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots in the south early in the morning. Winds turning southerly 10 to 15 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Weather
Partly cloudy.
Weather Situation
A cool southwesterly airstream will cross Victoria today as a high pressure system moves over waters south of the Bight, reaching western Bass Strait by tonight. The high will be located over the Tasman Sea by Tuesday night, with a warm northeasterly airstream continuing on Wednesday and Thursday as the high continues moving east.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bonbeach Temperature Statistics View More

September Temperature

Moorabbin Airport (9km)

  • Lowest 18 September, 2026

    4.3 °C

  • Average September

    13.8 °C

  • Highest 19 September, 2026

    26 °C

Climate (2021–2026)

Moorabbin Airport (9km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    15.3 °C

  • Average High 2021–2026

    20.5 °C
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