Newcastle Weather Forecast
- 13
- 21
Mostly sunny
- 12
- 19
Possible shower. Windy
- 11
- 20
Partly cloudy
- 8
- 19
Sunny
- 10
- 20
Possible shower
- 11
- 20
Shower or two
- 12
- 21
Possible shower
Today 3 Jun Newcastle
Mostly sunny. Winds northwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 2 to 2.5 metres offshore.
- 1st Swell
- East to northeasterly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A deep, complex low near Tasmania is driving gusty westerly winds today and Thursday. A vigorous south to southwesterly flow is forecast from Friday as a strong cold front and trough cross the coastal waters. Then, a high pressure system is forecast to drift over the coastal waters during the weekend or early next week, turning the winds southeast to northeasterly.
Newcastle Temperature Statistics View More
June Temperature
Newcastle (Nobbys) (2km)
Lowest 1 June, 2026
8.9 °CAverage June
13.6 °CHighest 1 June, 2026
18.7 °C
Climate (2021–Present)
Newcastle (Nobbys) (2km)
Average Low 2021–2026
15.4 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C