Killalea Beach Weather Forecast
- 14
- 21
Sunny
- 14
- 28
Windy. Partly cloudy
- 14
- 21
Sunny
- 12
- 20
Shower or two
- 12
- 18
Mostly sunny
- 12
- 18
Shower or two
- 11
- 17
Partly cloudy
Today 4 Sep Illawarra
Sunny. Winds west to northwesterly 20 to 30 km/h. Daytime maximum temperatures between 18 and 23.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots becoming northeasterly 10 to 15 knots in the middle of the day then tending northwest to northeasterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- South to southwesterly winds as a high pressure system centred over the state moves east into the Tasman Sea. A weak trough developing over the southern waters today brings northeasterly winds to the southern coasts. North to northwesterly winds redevelop across the state's coast ahead of a vigorous cold front crossing the waters late Saturday into Sunday.
Killalea Beach Temperature Statistics View More
September Temperature
Kiama (Bombo Headland) (5km)
Lowest 1 September, 2026
11.1 °CAverage September
19.4 °CHighest 2 September, 2026
27.3 °C
Climate (2021–2026)
Kiama (Bombo Headland) (5km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C