Sussex Inlet Weather Forecast
- 15
- 27
Sunny
- 17
- 34
Mostly sunny
- 19
- 33
Mostly sunny
- 18
- 33
Showers. Possible storm
- 19
- 33
Shower or two. Possible storm
- 18
- 29
Sunny
- 17
- 31
Shower or two
Today 17 Dec Illawarra
Mostly sunny. Light winds becoming north to northeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 12 and 16 with daytime temperatures reaching 26 to 31.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly about 10 knots increasing to 15 to 25 knots in the morning.
- Seas
- Below 1 metre, increasing to 1 to 2 metres around midday.
- 1st Swell
- Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Cloud clearing.
- Weather Situation
- A trough over inland Queensland extends into the far north of the state, while a high in the Tasman Sea extends a ridge across the south and east. Then, a series of troughs are forecast to enter the state's west and slip south later in the week through the weekend, drawing heat and moisture into the state.
Sussex Inlet Temperature Statistics View More
December Temperature
Point Perpendicular (19km)
Lowest 2 December, 2025
10.3 °CAverage December
19.8 °CHighest 5 December, 2025
33 °C
Climate (2020–Present)
Point Perpendicular (19km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C