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.
Bay of Islands Temperature Statistics View More
September Temperature
Cape Bruny (18km)
Lowest 4 September, 2025
4.2 °CAverage September
8.8 °CHighest 2 September, 2025
15.6 °C
Climate (2020–Present)
Cape Bruny (18km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
12.5 °CAverage High 2020–2025
16.6 °C