Middle Harbour - Roseville Bridge Marina Weather Forecast

Today 18 May
- 15
- 23
Rain increasing
Tue 19 May
- 15
- 22
Rain easing
Wed 20 May
- 13
- 20
Sunny
Thu 21 May
- 12
- 20
Shower or two
Fri 22 May
- 13
- 21
Showers
Sat 23 May
- 15
- 22
Shower or two
Sun 24 May
- 13
- 21
Possible shower

Today 18 May
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 19 May
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 20 May
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 21 May
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 22 May
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 23 May
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 24 May
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 18 May Sydney

Cloudy. Very high chance of rain, most likely during this afternoon and evening. Light winds.

Middle Harbour - Roseville Bridge Marina Temperature Statistics View More

May Temperature

Sydney (Observatory Hill) (9km)

Lowest 8 May, 2026
9.9 °C
Average 2026
21.3 °C
Highest 10 January, 2026
42.2 °C
Lowest 19 April, 2026
10.8 °C
Average April
19.1 °C
Highest 9 April, 2026
29 °C
Lowest 8 May, 2026
9.9 °C
Average May
17.7 °C
Highest 3 May, 2026
25.9 °C

Climate (2021–Present)

Sydney (Observatory Hill) (9km)

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Average Low 2021–2026
14.8 °C
Average 2021–2026
18.4 °C
Average High 2021–2026
23.5 °C

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