Newcastle Beach Weather Forecast
- 12
- 23
Shower or two
- 13
- 19
Shower or two
- 8
- 21
Possible shower
- 11
- 19
Possible shower
- 10
- 21
Partly cloudy
- 9
- 22
Sunny
- 9
- 26
Mostly sunny
Today 7 Sep Newcastle
Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. Light winds becoming east to southeasterly 15 to 20 km/h in the late afternoon then tending south to southeasterly 20 to 30 km/h in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southerly 15 to 20 knots becoming variable about 10 knots in the morning then becoming southeast to southwesterly 15 to 20 knots in the late evening. Winds reaching up to 30 knots south of Norah Head in the late evening. Squalls possible with the wind change.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres later in the evening.
- Weather
- Mostly sunny. 70% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Newcastle Beach Temperature Statistics View More
September Temperature
Newcastle (Nobbys) (1km)
Lowest 1 September, 2026
10 °CAverage September
19.4 °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