Newcastle Weather Forecast
- 9
- 21
Partly cloudy
- 8
- 22
Sunny
- 9
- 24
Mostly sunny
- 10
- 22
Possible shower
- 13
- 19
Possible shower
- 11
- 21
Partly cloudy
- 11
- 25
Mostly sunny
Today 2 Sep Newcastle
Partly cloudy. Slight chance of a shower in the late morning and afternoon. Light winds.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Variable below 10 knots becoming northerly 10 to 15 knots in the evening. Winds reaching up to 20 knots offshore south of Norah Head in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A high pressure system with its centre near South Australia is extending a ridge across the state, and this ridge will be the dominant feature for the next couple of days as its centre slowly moves eastwards. A trough is forecast to brush the south and along the coast mid to late this week, and this system will be followed by another high pressure ridge drifting across the state during the weekend.
Newcastle Temperature Statistics View More
September Temperature
Newcastle (Nobbys) (2km)
Lowest 1 September, 2025
8.3 °CAverage September
11.4 °CHighest
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Climate (2020–Present)
Newcastle (Nobbys) (2km)
Average Low 2020–2025
15.3 °CAverage 2020–2025
18.5 °CAverage High 2020–2025
22.2 °C