Cape Horn Weather Forecast
- 21
- 35
Mostly sunny
- 21
- 31
Shower or two. Possible storm
- 21
- 35
Shower or two. Possible storm
- 22
- 27
Shower or two
- 18
- 29
Shower or two
- 18
- 29
Shower or two
- 17
- 23
Shower or two
Today 19 Dec Wollongong
Sunny morning. Slight chance of a shower in the late afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Winds northwesterly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 15 to 25 km/h in the morning.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla early in the morning. Winds tending northwest to southwesterly in the early morning then tending southeast to southwesterly in the morning.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon.
- Weather
- Mostly sunny. The chance of a thunderstorm inshore during this afternoon and early evening.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over Coastal Waters. Later today or Friday a weak trough will bring a brief southerly change to much of the coast before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Cape Horn Temperature Statistics View More
December Temperature
Bellambi (12km)
Lowest 2 December, 2025
12.8 °CAverage December
20.8 °CHighest 5 December, 2025
36.7 °C
Climate (2020–Present)
Bellambi (12km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.8 °C