Boat Harbour Weather Forecast
- 17
- 23
Shower or two
- 16
- 27
Mostly sunny
- 18
- 32
Shower or two
- 18
- 23
Possible shower
- 17
- 23
Cloudy
- 16
- 26
Partly cloudy
- 15
- 28
Mostly sunny
Today 12 Dec Hunter
Cloudy. High chance of showers in the morning and afternoon. A thunderstorm likely in the afternoon and early evening. Thunderstorms possibly severe with heavy rain which may lead to flash flooding along the coastal fringe in the morning and early afternoon. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the morning then becoming light in the evening. Overnight temperatures falling to around 16 with daytime temperatures reaching 22 to 27.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Easterly 10 to 15 knots turning northeasterly in the late morning and afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Boat Harbour Temperature Statistics View More
December Temperature
Williamtown RAAF Base (25km)
Lowest 2 December, 2025
11.3 °CAverage December
23 °CHighest 6 December, 2025
40.2 °C
Climate (2020–Present)
Williamtown RAAF Base (25km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.7 °C