Cascade Bay Weather Forecast
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Showers
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Rain
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Rain
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Rain
Today 17 Dec Norfolk Island
Partly cloudy. Slight (30%) chance of a shower. 1st Swell: SW increasing to 2.5 to 3 metres. 2nd Swell: E/SE about 1 metre. Surf conditions may be more powerful than they appear and are expected to be hazardous for coastal activities such as rock fishing, swimming and surfing. Sun protection 7:30am to 3:50pm, UV Index predicted to reach 12 [Extreme]
Cascade Bay Temperature Statistics View More
December Temperature
Norfolk Island Airport (3km)
Lowest 5 December, 2025
17.2 °CAverage December
21.4 °CHighest 15 December, 2025
26.4 °C
Climate (2020–Present)
Norfolk Island Airport (3km)
Average Low 2020–2025
17.3 °CAverage 2020–2025
19.5 °CAverage High 2020–2025
22.3 °C