Portland Airport Weather Forecast

    • 5
    • 19

    Partly cloudy

    • 9
    • 17

    Showers increasing. Windy

    • 7
    • 13

    Showers increasing

    • 9
    • 15

    Showers

    • 8
    • 13

    Shower or two

    • 8
    • 15

    Shower or two

    • 9
    • 16

    Cloudy

Today 18 Sep South West

Partly cloudy. Slight chance of a shower in the south, most likely this evening. Near zero chance of rain elsewhere. Winds northerly 15 to 20 km/h tending north to northwesterly 30 to 45 km/h in the morning then becoming northerly 20 to 30 km/h in the evening. Daytime maximum temperatures around 19.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Airport Temperature Statistics View More

September Temperature

Portland Airport (0km)

  • Lowest 5 September, 2025

    2.2 °C

  • Average September

    11.9 °C

  • Highest 15 September, 2025

    24.1 °C

Climate (2020–Present)

Portland Airport (0km)

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

  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    18.1 °C
Get WillyWeather+ to remove ads