Kiama Harbour Weather Forecast
- 15
- 25
Partly cloudy
- 14
- 23
Possible shower developing
- 12
- 20
Mostly sunny
- 12
- 23
Sunny
- 15
- 28
Sunny
- 19
- 30
Mostly sunny
- 17
- 31
Partly cloudy
Today 30 Nov Illawarra
Partly cloudy. Slight chance of a shower in the south in the afternoon and early evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the south in the late afternoon and evening. Winds northwesterly 20 to 30 km/h turning westerly 30 to 45 km/h in the middle of the day then decreasing to 20 to 30 km/h in the evening. Daytime maximum temperatures 20 to 26.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots shifting southwesterly 15 to 25 knots in the evening. Winds reaching up to 30 knots offshore in the evening.
- Seas
- Below 1 metre, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- Southerly winds are forecast to turn northerly through today, ahead of a series of fronts and troughs expected to bring southerly surges to the coastal waters from this afternoon until Tuesday. Following this, winds should ease and turn northerly as a high pressure system enters the coastal waters mid-week.
Kiama Harbour Temperature Statistics View More
November Temperature
Kiama (Bombo Headland) (1km)
Lowest 12 November, 2025
7.6 °CAverage November
19.3 °CHighest 26 November, 2025
34.1 °C
Climate (2020–Present)
Kiama (Bombo Headland) (1km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
21.4 °C