Bay of Islands Weather Forecast

    • 4
    • 11

    Shower or two

    • 3
    • 13

    Partly cloudy

    • 6
    • 17

    Showers

    • 11
    • 16

    Shower or two

    • 8
    • 12

    Showers

    • 5
    • 12

    Shower or two

    • 7
    • 13

    Shower or two

Today 5 Sep South East

Partly cloudy. High chance of showers in the far south, medium chance elsewhere. Snow falling above 400 metres. Possible small hail in the morning and afternoon. Winds westerly 20 to 30 km/h tending southwesterly 25 to 35 km/h during the morning then turning west to northwesterly 15 to 20 km/h during the evening. Overnight temperatures falling to between zero and 5 with daytime temperatures reaching between 7 and 12.

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  • Temperature Forecast Bureau of Meteorology

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Bay of Islands Temperature Statistics View More

September Temperature

Cape Bruny (18km)

  • Lowest 4 September, 2025

    4.2 °C
  • Average September

    8.8 °C
  • Highest 2 September, 2025

    15.6 °C

Climate (2020–Present)

Cape Bruny (18km)

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  • Average Low 2020–2025

    9.6 °C
  • Average 2020–2025

    12.5 °C
  • Average High 2020–2025

    16.6 °C
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