Kiama Harbour Weather Forecast
- 11
- 17
Windy. Mostly sunny
- 9
- 15
Mostly sunny
- 9
- 16
Sunny
- 10
- 16
Shower or two
- 10
- 20
Sunny
- 10
- 19
Partly cloudy
- 10
- 16
Sunny
Today 29 Jul Illawarra
Mostly sunny. Winds westerly 30 to 45 km/h decreasing to 20 to 30 km/h in the evening. Daytime maximum temperatures between 11 and 17.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to northwesterly 15 to 25 knots tending west to southwesterly 20 to 30 knots in the late morning and afternoon.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly below 1 metre, increasing to 1 to 2 metres south of Port Kembla later in the evening.
- Weather
- Mostly sunny.
- Weather Situation
- A front is forecast to cross the coastal waters on Wednesday, with fresh to strong west to southwesterly winds over the southern and central coastal waters in its wake. Winds will then turn southerly and gradually ease as another high moves into southeastern Australia later in the week.
Kiama Harbour Temperature Statistics View More
July Temperature
Kiama (Bombo Headland) (1km)
Lowest 11 July, 2026
8.6 °CAverage July
14.1 °CHighest 2 July, 2026
22.2 °C
Climate (2021–2026)
Kiama (Bombo Headland) (1km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C