Catalina Island Weather Forecast

    • 18
    • 32

    Sunny

    • 20
    • 32

    Partly cloudy

    • 23
    • 33

    Possible shower

    • 23
    • 34

    Shower or two

    • 23
    • 33

    Mostly sunny

Today 4 Sep Darwin City and Outer Darwin

Sunny. Light winds becoming northwest to northeasterly 15 to 20 km/h during the afternoon then becoming light during the evening.

Darwin Harbour

Wind
West to southwesterly below 10 knots becoming east to northeasterly during the morning then becoming north to northwesterly during the day.
Seas
Below 0.5 metres.
1st Swell
Below 0.5 metres.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Catalina Island Temperature Statistics View More

September Temperature

Darwin Airport (7km)

  • Lowest 2 September, 2025

    19.7 °C

  • Average September

    25.7 °C

  • Highest 2 September, 2025

    34.8 °C

Climate (2020–Present)

Darwin Airport (7km)

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  • Average Low 2020–2025

    23.8 °C

  • Average 2020–2025

    27.7 °C

  • Average High 2020–2025

    32.9 °C
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