Newport Beach Weather Forecast
- 14
- 22
Mostly clear
- 15
- 25
Shower or two
- 16
- 22
Possible late shower
- 12
- 16
Possible shower
- 11
- 17
Shower or two
- 11
- 21
Sunny
- 12
- 24
Sunny
Today 13 Sep Sydney
Mostly sunny day. The chance of smoke haze at night. Winds northeasterly 15 to 25 km/h becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly below 10 knots increasing to 15 to 20 knots in the middle of the day then tending northerly 10 to 15 knots in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A high pressure system is gradually drifting east across the Tasman Sea this weekend. A trough and cold front look set to bring southerly winds to Sydney Waters on Tuesday, which will freshen or strengthen later Tuesday and Wednesday.
Newport Beach Temperature Statistics View More
September Temperature
Terrey Hills (10km)
Lowest 10 September, 2026
8.1 °CAverage September
15.9 °CHighest 5 September, 2026
30.8 °C
Climate (2021–2026)
Terrey Hills (10km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
21.9 °C