Garden Island Weather Forecast
- 11
- 19
Showers
- 12
- 21
Shower or two
- 12
- 23
Possible shower
- 15
- 26
Partly cloudy
- 16
- 26
Partly cloudy
- 17
- 31
Shower or two developing
- 16
- 25
Shower or two
Today 29 Oct Hunter
Cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the late afternoon and evening. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the early morning then becoming light in the evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching between 16 and 21.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- East to northeasterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.
- Weather
- Cloudy. 90% chance of showers.
Garden Island Temperature Statistics View More
October Temperature
Williamtown RAAF Base (21km)
Lowest 2 October, 2025
6.9 °CAverage October
20.5 °CHighest 22 October, 2025
39.8 °C
Climate (2020–Present)
Williamtown RAAF Base (21km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.7 °C