Portland Weather Forecast

    • 6
    • 15

    Mostly sunny

    • 5
    • 16

    Partly cloudy

    • 8
    • 14

    Showers. Wind easing

    • 6
    • 12

    Showers

    • 6
    • 13

    Showers

    • 7
    • 13

    Shower or two

    • 6
    • 15

    Shower or two

Today 6 Jul South West

Slight chance of a shower early this morning. The chance of morning fog in the west. Mostly sunny afternoon. Light winds. Daytime maximum temperatures around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Weather
Cloud clearing.
Weather Situation
A high pressure system over the Tasman Sea directs a northerly airstream over Victorian coastal waters as a low pressure system near Adelaide moves east. The low will weaken as it crosses Victoria today, with a ridge forecast to extend across Victoria and Bass Strait on Monday as a cold front approaches from the west. The front is forecast to cross Victorian coastal waters on Tuesday, with a weak ridge crossing Bass Strait on Wednesday as another front approaches from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Temperature Statistics View More

July Temperature

Cape Nelson Lighthouse (10km)

  • Lowest 3 July, 2025

    5.7 °C

  • Average July

    11 °C

  • Highest 3 July, 2025

    14.5 °C

Climate (2020–Present)

Cape Nelson Lighthouse (10km)

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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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