Newcastle Weather Forecast
- 12
- 22
Sunny
- 8
- 20
Partly cloudy
- 8
- 19
Mostly sunny
- 6
- 19
Sunny
- 9
- 19
Shower or two
- 9
- 19
Showers
- 10
- 19
Showers
Today 11 Aug Newcastle
Sunny. Winds west to northwesterly 25 to 35 km/h becoming light in the late evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots during the morning.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then increasing to 1 to 2 metres later in the evening.
- 1st Swell
- Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- Strong, gusty westerly winds are gradually easing as a cold front that crossed the coastal waters yesterday continue to move further offshore. Winds will remain fresh westerly through to midweek as another cold front and its associated trough cross the state on Wednesday. Winds will then turn south to southwesterly later in the week after passage of the second cold front.
Newcastle Temperature Statistics View More
August Temperature
Newcastle (Nobbys) (2km)
Lowest 8 August, 2026
6.5 °CAverage August
13.2 °CHighest 4 August, 2026
20.5 °C
Climate (2021–2026)
Newcastle (Nobbys) (2km)
Average Low 2021–2026
15.4 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C