Portland Harbour Weather Forecast

    • 7
    • 21

    Partly cloudy

    • 12
    • 18

    Partly cloudy

    • 9
    • 23

    Cloud clearing

    • 15
    • 21

    Shower or two

    • 11
    • 21

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 16
    • 24

    Shower or two

Today 19 Apr South West

Partly cloudy. Slight chance of a shower. Winds north to northwesterly 15 to 20 km/h becoming light in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwest to northeasterly 10 to 15 knots tending southwesterly in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure extends over eastern parts of the State from east of Tasmania, whilst a weak trough drifts over western Victoria today. The ridge then dominates for much of the week. A cold front approaches from the west on Tuesday, brushing the south of the State on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 8 April, 2026

    9.4 °C

  • Average April

    14.8 °C

  • Highest 9 April, 2026

    21.4 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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