Merri Island Weather Forecast

    • 9
    • 13

    Shower or two. Windy

    • 8
    • 13

    Cloudy

    • 7
    • 14

    Cloudy

    • 5
    • 20

    Sunny

    • 11
    • 23

    Sunny

    • 12
    • 21

    Shower or two

    • 11
    • 15

    Cloudy

Today 15 Sep Warrnambool

Partly cloudy. Medium chance of showers, most likely this morning. Winds southwesterly 25 to 40 km/h tending southerly 25 to 35 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to southwesterly 20 to 25 knots tending south to southwesterly 20 to 30 knots during the day.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather
Partly cloudy. 60% chance of showers, with possible small hail in the far east during the morning and afternoon.
Weather Situation
A cold front crosses the State early today. A strong high pressure system will move south of the Bight later today and extend a ridge over northern Victoria. The high will then move slowly east, reaching western Victoria by Thursday night then moving over NSW on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

September Temperature

Warrnambool Airport (12km)

  • Lowest 8 September, 2026

    1 °C

  • Average September

    11.2 °C

  • Highest 13 September, 2026

    22.5 °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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