Saint Helens Jetty Weather Forecast

    • 10
    • 20

    Mostly sunny

    • 11
    • 32

    Mostly sunny

    • 15
    • 21

    Partly cloudy

    • 11
    • 21

    Cloudy

    • 10
    • 19

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 9
    • 29

    Sunny

Today 11 Dec Geelong and Surf Coast

Mostly sunny. Winds southeasterly 20 to 30 km/h turning southerly 15 to 25 km/h in the evening.

Port Phillip Local Waters

Wind
South to southeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas
Around 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure extends across Victoria today with the high centre to the south of the Bight forecast to move eastwards across Tasmania. A trough is forecast to extend from NSW into the northeast of Victoria during today, before a more significant trough is forecast to move across the far west on Friday then over the remainder of the state on Saturday. A cold front in expected to move through Bass Strait during Sunday with increasing south to southwesterly flow over the state as a secondary high pressure ridge extends over from the west.
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Saint Helens Jetty Temperature Statistics View More

December Temperature

Avalon Airport (14km)

  • Lowest 7 December, 2025

    6.6 °C
  • Average December

    16.3 °C
  • Highest 4 December, 2025

    34.8 °C

Climate (2020–Present)

Avalon Airport (14km)

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  • Average Low 2020–2025

    9.6 °C
  • Average 2020–2025

    14.5 °C
  • Average High 2020–2025

    20.4 °C
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