Portland Harbour Weather Forecast

    • 8
    • 14

    Cloudy

    • 6
    • 17

    Partly cloudy

    • 11
    • 25

    Cloudy

    • 14
    • 19

    Showers

    • 10
    • 18

    Showers

    • 9
    • 14

    Cloudy

    • 8
    • 15

    Partly cloudy

Today 27 Sep South West

Partly cloudy. Winds southeasterly 20 to 30 km/h. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

September Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 8 September, 2026

    3.5 °C
  • Average September

    13.2 °C
  • Highest 20 September, 2026

    25.5 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    11.9 °C
  • Average 2021–2026

    14.4 °C
  • Average High 2021–2026

    17.6 °C
Get WillyWeather+ to remove ads