Lake Avon Weather Forecast

    • 9
    • 20

    Cloudy

    • 9
    • 23

    Shower

    • 13
    • 17

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 10
    • 20

    Shower

    • 8
    • 17

    Partly cloudy

    • 8
    • 19

    Sunny

Today 18 Sep Illawarra

Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Light winds becoming east to northeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures between 18 and 21.

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  • Temperature Forecast Bureau of Meteorology

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Lake Avon Temperature Statistics View More

September Temperature

Illawarra Regional Airport (19km)

  • Lowest 1 September, 2025

    5 °C

  • Average September

    15.5 °C

  • Highest 8 September, 2025

    29.4 °C

Climate (2020–Present)

Illawarra Regional Airport (19km)

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  • Average Low 2020–2025

    12.4 °C

  • Average 2020–2025

    17.1 °C

  • Average High 2020–2025

    22.6 °C
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