Marsden Head Weather Forecast
- 9
- 15
Showers
- 10
- 15
Showers
- 11
- 17
Showers
- 13
- 17
Showers
- 13
- 17
Showers
- 13
- 20
Shower or two
- 12
- 17
Shower or two
Today 18 Aug Illawarra
Partly cloudy. The chance of fog about higher ground early this morning. Areas of morning frost about higher ground. High chance of showers along the coastal fringe, medium chance elsewhere. The chance of a thunderstorm along the coastal fringe. Winds southwesterly 15 to 20 km/h turning southerly 20 to 30 km/h in the morning. Daytime maximum temperatures between 10 and 15.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 15 to 25 knots.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southerly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A trough will move along the southern and central waters on Monday and then linger along the northern half of the coast for the remainder of the week. This will cause southerly winds to gradually turn easterly mid-week.
Marsden Head Temperature Statistics View More
August Temperature
Kiama (Bombo Headland) (3km)
Lowest 17 August, 2025
7.8 °CAverage August
13.5 °CHighest 5 August, 2025
20 °C
Climate (2020–Present)
Kiama (Bombo Headland) (3km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.7 °CAverage High 2020–2025
21.3 °C