Mounts Bay Weather Forecast

    • 11
    • 15

    Shower or two

    • 10
    • 13

    Showers easing

    • 8
    • 14

    Shower or two

    • 9
    • 13

    Cloudy

    • 10
    • 14

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 9
    • 19

    Partly cloudy

Today 6 Sep South West

Cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds westerly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures around 16.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds turning westerly 15 to 20 knots in the late morning.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will extend over northern Victoria on Sunday before a cold front crosses southern Victoria on Monday. The high pressure ridge will then extend across northern Victoria on Tuesday before a weak cold front crosses southern Victoria on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mounts Bay Temperature Statistics View More

September Temperature

Cape Otway (16km)

  • Lowest 4 September, 2026

    9.1 °C

  • Average September

    13.4 °C

  • Highest 1 September, 2026

    19.5 °C

Climate (2021–2026)

Cape Otway (16km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.4 °C
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