Portland Bay Weather Forecast

    • 9
    • 22

    Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 11
    • 22

    Shower or two

    • 13
    • 20

    Showers

    • 12
    • 19

    Showers

    • 10
    • 18

    Shower or two

    • 10
    • 19

    Showers

Today 13 May South West

Partly cloudy. Patchy morning fog in the east. Light winds becoming northeasterly 15 to 25 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
East to northeasterly 10 to 15 knots, reaching up to 20 knots in the far east during the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

May Temperature

Portland Airport (25km)

  • Lowest 7 May, 2026

    5.9 °C

  • Average May

    13.9 °C

  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (25km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.1 °C
Get WillyWeather+ to remove ads