Cascade Bay Weather Forecast

Today 16 Sep
- 17
- 17
Mostly fine
Wed 17 Sep
- 17
- 18
Mostly cloudy. Chance of a shower
Thu 18 Sep
- 18
- 19
Rain
Fri 19 Sep
- 17
- 18
Rain
Sat 20 Sep
- 17
- 18
Rain
Sun 21 Sep
- 18
- 19
Rain
Mon 22 Sep
- 18
- 20
Rain

Today 16 Sep Norfolk Island

Mostly clear.

Cascade Bay Temperature Statistics View More

September Temperature

Norfolk Island Airport (3km)

Lowest 11 August, 2025
11.6 °C
Average 2025
19.8 °C
Highest 24 January, 2025
27.9 °C
Lowest 11 August, 2025
11.6 °C
Average August
16.6 °C
Highest 7 August, 2025
20.9 °C
Lowest 2 September, 2025
11.6 °C
Average September
16.4 °C
Highest 11 September, 2025
21.6 °C

Climate (2020–Present)

Norfolk Island Airport (3km)

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Average Low 2020–2025
17.3 °C
Average 2020–2025
19.4 °C
Average High 2020–2025
22.3 °C

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