Cowes Jetty Weather Forecast

    • 16
    • 29

    Partly cloudy

    • 18
    • 27

    Possible shower

    • 14
    • 20

    Partly cloudy

    • 13
    • 23

    Showers. Becoming windy

    • 14
    • 19

    Possible shower

    • 13
    • 19

    Shower or two

    • 12
    • 20

    Possible shower

Today 18 Dec Central

Mostly sunny. Slight chance of a shower near the Otways in the evening. Near zero chance of rain elsewhere. The chance of a thunderstorm near the coast at night. Winds west to northwesterly 25 to 35 km/h tending southeast to southwesterly 20 to 30 km/h in the late afternoon then becoming light in the late evening. Daytime maximum temperatures 33 to 39.

Western Port Local Waters

Wind
Variable below 10 knots becoming south to southwesterly 10 to 15 knots in the middle of the day then turning east to southeasterly below 10 knots in the evening.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system in the Tasman Sea maintains a ridge across Victoria, until a broad area of low pressure develops to the west later today. The low is forecast to slowly move across the state during Friday and Saturday, before another low and associated cold front move across Victoria on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cowes Jetty Temperature Statistics View More

December Temperature

Rhyll (6km)

  • Lowest 7 December, 2025

    8.6 °C

  • Average December

    16 °C

  • Highest 4 December, 2025

    31.6 °C

Climate (2020–Present)

Rhyll (6km)

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  • Average Low 2020–2025

    12.1 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    19.2 °C
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