Kiama Harbour Weather Forecast
- 17
- 25
Rain. Storm
- 17
- 22
Partly cloudy
- 16
- 28
Possible afternoon storm
- 17
- 31
Partly cloudy
- 16
- 26
Possible late shower
- 15
- 24
Possible shower
- 16
- 25
Shower or two
Today 23 Nov Illawarra
Partly cloudy. Very high chance of rain, becoming less likely late this afternoon and evening. A thunderstorm likely during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding during this afternoon and early evening. Light winds becoming west to southwesterly 15 to 25 km/h in the morning then tending southeast to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures 25 to 30.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla in the late morning. Winds tending northwest to southwesterly in the morning then tending southeast to southwesterly in the middle of the day.
- Seas
- Below 1 metre, increasing to around 1 metre offshore.
- 1st Swell
- East to northeasterly around 1 metre, increasing to 1 to 1.5 metres south of Point Perpendicular.
- Weather
- Partly cloudy. 80% chance of rain. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A trough is lingering near central parts of the coast with winds expected to tend more north to northeasterly. Southerly winds will develop along the southern and central waters today, spreading to the northern waters on Monday, as a low pressure system forms over the southern Tasman Sea and then moves away to the east. The next trough is forecast to arrive on Tuesday or Wednesday.
Kiama Harbour Temperature Statistics View More
November Temperature
Kiama (Bombo Headland) (1km)
Lowest 12 November, 2025
7.6 °CAverage November
18.7 °CHighest 16 November, 2025
30.7 °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