Kiama Harbour Weather Forecast
- 10
- 19
Partly cloudy
- 11
- 18
Partly cloudy
- 11
- 19
Sunny
- 11
- 20
Mostly sunny
- 13
- 23
Sunny
- 16
- 25
Mostly sunny
- 14
- 23
Sunny
Today 28 Aug Illawarra
Sunny. Winds west to southwesterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 17 and 21.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northwest to southwesterly 10 to 15 knots tending south to southwesterly in the middle of the day then tending south to southeasterly in the late afternoon. Winds reaching up to 20 knots inshore in the late afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly 1 to 1.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- Fresh southerly wind persists in the wake of a trough, now lying offshore. Winds will then ease later in the week as a high pressure ridge develops across the coastal waters.
Kiama Harbour Temperature Statistics View More
August Temperature
Kiama (Bombo Headland) (1km)
Lowest 8 August, 2026
8.9 °CAverage August
14.7 °CHighest 22 August, 2026
22 °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