Newcastle Beach Weather Forecast
- 12
- 19
Morning shower or two
- 7
- 21
Partly cloudy
- 10
- 19
Shower or two
- 11
- 20
Possible shower
- 9
- 23
Mostly sunny
- 10
- 25
Mostly sunny
- 11
- 28
Sunny
Today 8 Sep Newcastle
Cloudy. Medium chance of showers in the morning. Winds southerly 20 to 30 km/h becoming light in the late afternoon.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.
- 1st Swell
- Southerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy. 60% chance of showers.
Newcastle Beach Temperature Statistics View More
September Temperature
Newcastle (Nobbys) (1km)
Lowest 1 September, 2026
10 °CAverage September
18.8 °CHighest 5 September, 2026
30.2 °C
Climate (2021–2026)
Newcastle (Nobbys) (1km)
Average Low 2021–2026
15.5 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C