Harmers Haven Weather Forecast

    • 9
    • 14

    Cloudy

    • 7
    • 15

    Partly cloudy

    • 4
    • 18

    Mostly sunny

    • 10
    • 23

    Shower or two

    • 12
    • 18

    Shower or two

    • 10
    • 13

    Showers

    • 8
    • 13

    Cloudy

Today 10 Sep Wonthaggi

Cloudy. Winds west to southwesterly 15 to 20 km/h becoming light in the late afternoon.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots in the far east during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far east.
1st Swell
Southwesterly 2 to 3 metres, increasing to 3 to 5 metres in the far west.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system south of the Bight is directing a cool south to southwesterly airstream across Victoria. The high will extend a ridge across Victoria today as it moves slowly east, before crossing Bass Strait on Friday. Winds will tend warmer northerly on Saturday as the high moves over the Tasman Sea, with a weakening cold front forecast to approach western Victoria later on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Harmers Haven Temperature Statistics View More

September Temperature

Wonthaggi (4km)

  • Lowest 4 September, 2026

    6.6 °C

  • Average September

    12 °C

  • Highest 1 September, 2026

    21 °C

Climate (2021–2026)

Wonthaggi (4km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    12.9 °C

  • Average High 2021–2026

    19.9 °C
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