Illaroo Weather Forecast

    • 11
    • 23

    Mostly sunny

    • 11
    • 25

    Mostly sunny

    • 13
    • 26

    Mostly sunny

    • 14
    • 28

    Sunny

    • 15
    • 28

    Mostly sunny

    • 15
    • 25

    Shower or two

    • 16
    • 20

    Showers

Today 29 Mar Illawarra

Mostly sunny. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the late afternoon then becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Illaroo Temperature Statistics View More

March Temperature

Nowra (RAN Air Station) (12km)

  • Lowest 27 March, 2026

    11.1 °C

  • Average March

    20.5 °C

  • Highest 11 March, 2026

    34.2 °C

Climate (2021–Present)

Nowra (RAN Air Station) (12km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.5 °C
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