Bay of Islands Weather Forecast

    • 6
    • 14

    Partly cloudy

    • 4
    • 18

    Cloudy

    • 10
    • 24

    Windy

    • 15
    • 21

    Shower

    • 11
    • 19

    Shower

    • 9
    • 15

    Shower

    • 7
    • 15

    Partly cloudy

Today 27 Sep South West

Partly cloudy. Winds southeasterly 20 to 30 km/h. Daytime maximum temperatures around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Weather Situation
A strong high pressure system is building south of the Bight. This high will extend a ridge over Tasmania and along the east coast of NSW on Sunday, before moving into the Tasman Sea late Monday. A weak trough may move into the west of Victoria on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bay of Islands Temperature Statistics View More

September Temperature

Warrnambool Airport (45km)

  • Lowest 22 September, 2026

    -0.3 °C

  • Average September

    11.4 °C

  • Highest 20 September, 2026

    24.8 °C

Climate (2021–2026)

Warrnambool Airport (45km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    19.2 °C
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