Cooloongup Weather Forecast

Today 23 May
- 8
- 17
Mostly sunny
Sun 24 May
- 7
- 19
Mostly sunny
Mon 25 May
- 11
- 22
Sunny
Tue 26 May
- 12
- 22
Sunny
Wed 27 May
- 14
- 20
Showers increasing
Thu 28 May
- 15
- 20
Showers easing
Fri 29 May
- 13
- 19
Showers

Today 23 May
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 24 May
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 25 May
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 26 May
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 27 May
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 28 May
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 29 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 23 May Perth

Mostly sunny. The chance of frost about the hills early this morning. Light winds.

Cooloongup Temperature Statistics View More

May Temperature

Garden Island (9km)

Lowest 17 May, 2026
8.4 °C
Average 2026
20.8 °C
Highest 2 February, 2026
40.4 °C
Lowest 22 April, 2026
11.7 °C
Average April
18.7 °C
Highest 3 April, 2026
28.7 °C
Lowest 17 May, 2026
8.4 °C
Average May
16.7 °C
Highest 11 May, 2026
26.2 °C

Climate (2021–Present)

Garden Island (9km)

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Average Low 2021–2026
15.1 °C
Average 2021–2026
18.9 °C
Average High 2021–2026
23.3 °C

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