Merri Island Weather Forecast

    • 6
    • 14

    Partly cloudy

    • 4
    • 16

    Partly cloudy

    • 5
    • 18

    Cloud clearing

    • 7
    • 18

    Shower or two

    • 11
    • 17

    Showers

    • 9
    • 16

    Showers

    • 7
    • 15

    Showers

Today 15 Aug Warrnambool

Partly cloudy. Light winds.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred west of Tasmania will move slowly eastwards to be centred over Tasmania on Sunday then over the Tasman Sea early next week. An associated ridge will lie to the south of Victoria on Sunday then to the east, over the Tasman Sea, early next week. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

August Temperature

Warrnambool Airport (12km)

  • Lowest 2 August, 2026

    1.4 °C

  • Average August

    9.9 °C

  • Highest 7 August, 2026

    15.5 °C

Climate (2021–2026)

Warrnambool Airport (12km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    19.2 °C
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