Marengo Weather Forecast

    • 13
    • 18

    Partly cloudy

    • 12
    • 16

    Shower or two. Windy

    • 11
    • 15

    Possible shower

    • 11
    • 17

    Partly cloudy

    • 11
    • 24

    Sunny

    • 14
    • 25

    Mostly sunny

    • 15
    • 21

    Partly cloudy

Today 13 Dec South West

Partly cloudy. Slight chance of a shower in the early morning. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding about the ranges. Winds southwesterly 15 to 20 km/h tending southeast to southwesterly before dawn then becoming southwesterly 15 to 25 km/h in the late afternoon. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching 21 to 30.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northeasterly 10 to 15 knots shifting west to southwesterly 15 to 20 knots early in the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres in the west.
Weather
Partly cloudy. The chance of a thunderstorm in the morning and early afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marengo Temperature Statistics View More

December Temperature

Cape Otway (15km)

  • Lowest 1 December, 2025

    9.1 °C

  • Average December

    15 °C

  • Highest 4 December, 2025

    28.8 °C

Climate (2020–Present)

Cape Otway (15km)

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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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