Saint Helens Jetty Weather Forecast

    • 10
    • 31

    Mostly sunny

    • 14
    • 36

    Sunny

    • 17
    • 29

    Shower or two

    • 14
    • 25

    Partly cloudy

    • 12
    • 22

    Showers

    • 13
    • 22

    Partly cloudy

    • 12
    • 20

    Cloudy

Today 17 Dec Geelong and Surf Coast

The chance of fog early this morning. Mostly sunny afternoon. Light winds becoming southeasterly 15 to 20 km/h in the late afternoon then becoming light in the late evening.

Port Phillip Local Waters

Wind
Variable below 10 knots becoming south to southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across Victoria as it drifts into the Tasman Sea today. The high will continue to extend a ridge over Victoria until a broad area of low pressure develops to the south west on Friday. This area of low pressure will develop into a trough, crossing the state on Saturday.
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  • Temperature Forecast Bureau of Meteorology

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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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