Newcastle Weather Forecast
- 7
- 21
Mostly clear
- 5
- 17
Sunny
- 3
- 18
Sunny
- 6
- 19
Sunny
- 6
- 20
Sunny
- 7
- 21
Mostly sunny
- 7
- 19
Shower or two
Today 23 Jul Newcastle
Clear. Light winds becoming southwesterly 15 to 20 km/h in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southwesterly 15 to 20 knots increasing to 15 to 25 knots in the evening. Winds reaching up to 30 knots offshore south of Port Stephens in the evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres south of Port Stephens later in the evening.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- Fresh to strong southwesterly will continue today and Friday as a cold front crosses the coastal waters. Winds are then expected to ease and tend west to southwesterly over the weekend as a high pressure ridge moves over the region. The high is forecast to enter the Tasman Sea during early next week.
Newcastle Temperature Statistics View More
July Temperature
Newcastle (Nobbys) (2km)
Lowest 11 July, 2026
7.7 °CAverage July
14.2 °CHighest 2 July, 2026
21.8 °C
Climate (2021–2026)
Newcastle (Nobbys) (2km)
Average Low 2021–2026
15.5 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C