Belmont South Weather Forecast
- 10
- 23
Sunny
- 9
- 23
Sunny
- 10
- 23
Partly cloudy
- 11
- 22
Shower or two
- 11
- 23
Possible shower
- 10
- 24
Partly cloudy
- 10
- 25
Partly cloudy
Today 18 Apr Newcastle
Sunny. Winds southwesterly 15 to 20 km/h tending southerly 15 to 25 km/h in the middle of the day then becoming light in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the day. Winds turning southerly in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
- Weather
- Mostly sunny.
- Caution
- Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A southerly change is moving north along the coast and is forecast to reach the northern border early Saturday morning. In the wake of this, the a high pressure system over southern NSW will extend a ridge over NSW waters. The high is expected to move east next week reaching the southern Tasman Sea by Sunday, maintaining settled weather.
Belmont South Temperature Statistics View More
April Temperature
Lake Macquarie (Cooranbong) (18km)
Lowest 12 April, 2026
6.4 °CAverage April
18.1 °CHighest 7 April, 2026
30.9 °C
Climate (2021–Present)
Lake Macquarie (Cooranbong) (18km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
23.9 °C