Mounts Bay Weather Forecast

    • 11
    • 20

    Mostly sunny

    • 12
    • 19

    Showers increasing

    • 10
    • 17

    Partly cloudy

    • 10
    • 21

    Shower or two. Becoming windy

    • 12
    • 19

    Possible shower

    • 10
    • 18

    Partly cloudy

    • 11
    • 18

    Partly cloudy

Today 5 Dec South West

Mostly sunny. Slight chance of a shower in the northwest at night. Near zero chance of rain elsewhere. The chance of a thunderstorm about the ranges in the afternoon. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the afternoon. Daytime maximum temperatures 22 to 30.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Mostly sunny.
Weather Situation
A trough over will linger over the northeast today, before a cold front crosses on Saturday. A ridge of high pressure is then forecast to build over the state during Sunday, lingering on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mounts Bay Temperature Statistics View More

December Temperature

Cape Otway (16km)

  • Lowest 1 December, 2025

    9.1 °C

  • Average December

    17 °C

  • Highest 3 December, 2025

    27 °C

Climate (2020–Present)

Cape Otway (16km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    17.3 °C
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