Kiama Harbour Weather Forecast
- 17
- 30
Partly cloudy
- 17
- 22
Possible shower
- 17
- 34
Partly cloudy
- 16
- 21
Becoming cloudy
- 14
- 23
Possible shower
- 15
- 23
Partly cloudy
- 17
- 23
Shower or two
Today 20 Oct Illawarra
Partly cloudy. Winds west to northwesterly 25 to 35 km/h turning south to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 30s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 25 knots shifting south to southeasterly in the evening. Winds reaching up to 30 knots inshore in the evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla during the morning.
- Weather
- Mostly sunny.
- Weather Situation
- Strong northerly winds along the coast will shift southerly over the southern waters as a trough moves through later today. The southerly change will reaching central parts of the coast Tuesday morning, before weakening late Tuesday.
Kiama Harbour Temperature Statistics View More
October Temperature
Kiama (Bombo Headland) (1km)
Lowest 14 October, 2025
11.6 °CAverage October
19.3 °CHighest 17 October, 2025
34 °C
Climate (2020–Present)
Kiama (Bombo Headland) (1km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
21.3 °C