Bay of Islands Weather Forecast

    • 10
    • 20

    Cloudy

    • 8
    • 17

    Shower or two. Windy

    • 8
    • 15

    Showers. Windy

    • 7
    • 14

    Showers. Windy

    • 8
    • 16

    Shower or two

    • 8
    • 18

    Cloudy

    • 9
    • 22

    Mostly sunny

Today 22 Dec South East

Cloudy. Medium chance of showers. Winds westerly 15 to 25 km/h.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Westerly 20 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Westerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A ridge of high pressure across the mainland, directs a west to southwesterly flow over Tasmania until Thursday. Cold fronts embedded in this flow are expected to cross late this evening and again on Wednesday. The high pressure system then slowly moves over the state from Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bay of Islands Temperature Statistics View More

December Temperature

Cape Bruny (18km)

  • Lowest 15 December, 2025

    5.9 °C

  • Average December

    13.5 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (18km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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