Newcastle Airport Weather Forecast
- 19
- 28
Showers easing
- 19
- 27
Showers. Possible storm
- 18
- 23
Rain
- 18
- 26
Shower or two
- 18
- 26
Shower or two
- 18
- 26
Shower or two
- 17
- 27
Possible shower
Today 16 Jan Hunter
Partly cloudy. High chance of showers, most likely in the morning. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northeast to southeasterly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 15 to 25 km/h in the morning. Overnight temperatures falling to around 18 with daytime temperatures reaching 26 to 31.
Newcastle Airport Temperature Statistics View More
January Temperature
Williamtown RAAF Base (0km)
Lowest 1 January, 2026
14.8 °CAverage January
23.6 °CHighest 10 January, 2026
40.5 °C
Climate (2021–Present)
Williamtown RAAF Base (0km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
23.8 °C