Portland Harbour Weather Forecast

    • 3
    • 15

    Clear

    • 5
    • 13

    Partly cloudy

    • 6
    • 14

    Shower or two

    • 7
    • 14

    Showers

    • 8
    • 14

    Showers easing

    • 8
    • 15

    Possible shower

    • 8
    • 17

    Possible shower

Today 13 Jun South West

Areas of frost and patchy fog this morning. A mostly sunny day. Light winds. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 10 to 15 knots turning northerly in the afternoon. Winds reaching up to 20 knots in the far west in the late evening.
Seas
Below 1 metre.
1st Swell
Westerly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure sits over Victoria. It is forecast to remain slow moving until Saturday, when a cold front crossing the Bight will push the high out over the Tasman Sea with northerly flow developing over coastal waters. That cold front will weaken as it crosses Bass Strait early on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

June Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 5 June, 2025

    6.2 °C

  • Average June

    11.5 °C

  • Highest 2 June, 2025

    18.5 °C

Climate (2020–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.7 °C
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