Boat Harbour Weather Forecast
- 10
- 23
Mostly sunny
- 11
- 24
Mostly sunny
- 13
- 25
Mostly sunny
- 14
- 25
Possible shower
- 15
- 26
Partly cloudy
- 16
- 29
Partly cloudy
- 16
- 29
Showers increasing
Today 19 Oct Illawarra
Partly cloudy. The chance of fog inland early this morning. Slight chance of a shower this afternoon. The chance of a thunderstorm in the north this afternoon. Light winds becoming northeasterly 15 to 25 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures in the low to mid 20s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 15 to 20 knots turning northerly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla during the afternoon.
- 1st Swell
- Southeasterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- Easterly to northeasterly winds will prevail across the coming week, freshening along the coast during the afternoons, before broadly strengthening to fresh during Thursday along the central and southern waters.
Boat Harbour Temperature Statistics View More
October Temperature
Point Perpendicular (2 km)
Lowest 8 October, 2026
12.2 °CAverage October
17.3 °CHighest 12 October, 2026
31.7 °C
Climate (2021–2026)
Point Perpendicular (2 km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.6 °CAverage High 2021–2026
20.9 °C