Rottnest Island Airport Weather Forecast

Today 15 Aug
- 13
- 19
Sunny
Sun 16 Aug
- 14
- 21
Sunny
Mon 17 Aug
- 16
- 19
Showers. Windy
Tue 18 Aug
- 13
- 17
Shower or two
Wed 19 Aug
- 13
- 18
Showers easing
Thu 20 Aug
- 13
- 18
Shower or two
Fri 21 Aug
- 12
- 18
Cloud clearing

Today 15 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 16 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 17 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
Tue 18 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
Wed 19 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
Thu 20 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
Fri 21 Aug
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 15 Aug Lower West

Sunny. Winds northeasterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures in the low 20s.

Rottnest Island Airport Temperature Statistics View More

August Temperature

Rottnest Island (3km)

Lowest 9 August, 2026
7.4 °C
Average 2026
19 °C
Highest 2 February, 2026
39.4 °C
Lowest 1 July, 2026
9.9 °C
Average July
15.5 °C
Highest 15 July, 2026
21.8 °C
Lowest 9 August, 2026
7.4 °C
Average August
14.7 °C
Highest 3 August, 2026
20.4 °C

Climate (2021–2026)

Rottnest Island (3km)

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Average Low 2021–2026
16.1 °C
Average 2021–2026
18.9 °C
Average High 2021–2026
22.8 °C

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