Rottnest Island Airport Weather Forecast

Today 30 Aug
- 10
- 17
Sunny
Sun 31 Aug
- 11
- 17
Sunny
Mon 1 Sep
- 12
- 18
Sunny
Tue 2 Sep
- 12
- 19
Sunny
Wed 3 Sep
- 14
- 19
Shower or two
Thu 4 Sep
- 13
- 17
Shower or two
Fri 5 Sep
- 13
- 17
Shower or two

Today 30 Aug
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 31 Aug
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 1 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 2 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 3 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 4 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 5 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 30 Aug Lower West

Sunny. Patchy fog and the chance of frost in the south early this morning. Light winds. Daytime maximum temperatures around 19.

Rottnest Island Airport Temperature Statistics View More

August Temperature

Rottnest Island (3km)

Lowest 28 July, 2025
6 °C
Average 2025
19.5 °C
Highest 20 January, 2025
39.2 °C
Lowest 28 July, 2025
6 °C
Average July
14.6 °C
Highest 6 July, 2025
21.7 °C
Lowest 26 August, 2025
7.6 °C
Average August
15 °C
Highest 13 August, 2025
22.4 °C

Climate (2020–Present)

Rottnest Island (3km)

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Average Low 2020–2025
16.1 °C
Average 2020–2025
18.9 °C
Average High 2020–2025
22.8 °C

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