Merri Island Weather Forecast

    • 9
    • 18

    Shower or two

    • 7
    • 15

    Possible early shower

    • 3
    • 16

    Partly cloudy

    • 6
    • 19

    Shower or two

    • 12
    • 18

    Showers

    • 7
    • 14

    Showers. Becoming windy

    • 6
    • 13

    Showers

Today 22 Aug Warrnambool

Partly cloudy. Medium chance of showers, most likely later this evening. Winds northwesterly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots turning westerly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Westerly 2.5 to 3 metres, increasing to 3 to 4 metres in the far west.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A pair of weakening cold fronts will move across later Friday and early Saturday then a high pressure system will move in quickly from the west, to be centred over southwestern Victoria late Saturday then moving southeastwards on Sunday. On Monday northerly winds will increase over Victoria as another cold front approaches, the first of a series of fronts which will bring cooler, wet and windy conditions at times next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

August Temperature

Warrnambool Airport (12km)

  • Lowest 20 August, 2025

    -1.5 °C

  • Average August

    9.1 °C

  • Highest 10 August, 2025

    18.4 °C

Climate (2020–Present)

Warrnambool Airport (12km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    19.1 °C
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