Kiama Harbour Weather Forecast
- 16
- 22
Clear
- 16
- 26
Sunny
- 19
- 31
Sunny
- 19
- 24
Partly cloudy
- 18
- 25
Mostly sunny
- 19
- 27
Sunny
- 20
- 26
Partly cloudy
Today 23 Jan Illawarra
Clear. Winds easterly 15 to 20 km/h becoming light in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 2 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the southern Tasman Sea is extending a ridge along the NSW coast. Winds gradually turn northerly as the high pressure system drifts east during the weekend. A cold front is forecast to brush along the south coast on Sunday, bringing a southerly change to coastal waters. Northeasterly winds forecast to redevelop next week as the next ridge settled over the coastal waters.
Kiama Harbour Temperature Statistics View More
January Temperature
Kiama (Bombo Headland) (1km)
Lowest 2 January, 2026
14.7 °CAverage January
21.3 °CHighest 10 January, 2026
41 °C
Climate (2021–Present)
Kiama (Bombo Headland) (1km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.8 °CAverage High 2021–2026
21.4 °C