Newcastle Weather Forecast
- 17
- 33
Showers. Storm developing
- 15
- 23
Possible shower
- 15
- 27
Partly cloudy
- 13
- 34
Sunny
- 18
- 30
Mostly sunny
- 19
- 37
Mostly sunny
- 17
- 24
Mostly sunny
Today 17 Oct Newcastle
Partly cloudy. High chance of showers, most likely in the afternoon and evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds and large hail. Winds west to northwesterly 25 to 40 km/h shifting southerly 25 to 35 km/h in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- North to northeasterly 15 to 20 knots, reaching up to 30 knots offshore south of Norah Head in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Port Stephens.
- 1st Swell
- Northeasterly 1 to 1.5 metres inshore, decreasing to around 1 metre during the afternoon, increasing to 1 to 1.5 metres offshore south of Norah Head by early evening.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- North to northwesterly remain over NSW waters. Friday a gusty southerly change will move north along the coast as a trough reaching Sydney during the afternoon, and the northern border by Saturday morning. The trough stalls over the northern waters during while a high pressure system settles over the remainder of the coast, become the dominant feature by Sunday.
Newcastle Temperature Statistics View More
October Temperature
Newcastle (Nobbys) (2km)
Lowest 3 October, 2025
11.8 °CAverage October
20.2 °CHighest 6 October, 2025
32.9 °C
Climate (2020–Present)
Newcastle (Nobbys) (2km)
Average Low 2020–2025
15.3 °CAverage 2020–2025
18.5 °CAverage High 2020–2025
22.2 °C