Portland Harbour Weather Forecast

    • 15
    • 23

    Cloudy

    • 16
    • 21

    Possible shower

    • 14
    • 18

    Cloudy

    • 12
    • 18

    Partly cloudy

    • 10
    • 24

    Mostly sunny

    • 13
    • 22

    Mostly sunny

    • 14
    • 19

    Cloudy

Today 30 Jan South West

Partly cloudy. The chance of smoke haze in the morning. Slight chance of a shower. The chance of smoke haze in the late afternoon and evening. The chance of a thunderstorm with little or no rainfall about the ranges at night. Winds southeasterly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 20 to 30 km/h in the early afternoon. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching 28 to 37.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and early evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

January Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 6 January, 2026

    11.4 °C

  • Average January

    17.1 °C

  • Highest 24 January, 2026

    39.3 °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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