Cape Marengo Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 10
    • 22

    Becoming windy. Partly cloudy

    • 15
    • 21

    Showers increasing

    • 13
    • 18

    Rain

    • 11
    • 14

    Shower or two

    • 10
    • 14

    Partly cloudy

    • 10
    • 15

    Partly cloudy

Today 28 Sep South West

Partly cloudy. Medium chance of showers in the west, most likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds easterly 15 to 20 km/h becoming light in the early afternoon then becoming east to northeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 17 and 20.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening then tending east to northeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
Weather
Sunny.
Weather Situation
A high pressure system in the Bight extends a ridge over Victoria. This high will slowly drift through Bass Strait and then into the Tasman Sea by Tuesday as a trough approaches from the west. This trough will cross Victoria on Wednesday with a second trough following on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Marengo Temperature Statistics View More

September Temperature

Cape Otway (14km)

  • Lowest 8 September, 2026

    5.8 °C

  • Average September

    13 °C

  • Highest 20 September, 2026

    27.3 °C

Climate (2021–2026)

Cape Otway (14km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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