Dee Why Weather Forecast

Today 28 Sep
- 15
- 18
Cloudy
Tue 29 Sep
- 13
- 20
Partly cloudy
Wed 30 Sep
- 13
- 23
Sunny
Thu 1 Oct
- 15
- 28
Sunny
Fri 2 Oct
- 19
- 26
Showers
Sat 3 Oct
- 16
- 20
Shower or two
Sun 4 Oct
- 15
- 20
Shower or two

Today 28 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 29 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 30 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 1 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 2 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 3 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 4 Oct
1. 1 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 28 Sep Sydney

Cloudy. Winds southeast to southwesterly 15 to 20 km/h tending southeasterly in the morning then becoming light in the late afternoon.

Dee Why Temperature Statistics View More

September Temperature

Terrey Hills (8km)

Lowest 25 July, 2026
3.3 °C
Average 2026
17 °C
Highest 10 January, 2026
40.5 °C
Lowest 5 August, 2026
4.6 °C
Average August
13.2 °C
Highest 20 August, 2026
22.4 °C
Lowest 10 September, 2026
8.1 °C
Average September
16.7 °C
Highest 26 September, 2026
32.3 °C

Climate (2021–2026)

Terrey Hills (8km)

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Average Low 2021–2026
13.6 °C
Average 2021–2026
17.1 °C
Average High 2021–2026
22 °C

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