Jervis Bay Weather Forecast
- 14
- 34
Late shower or two
- 14
- 19
Showers
- 11
- 19
Partly cloudy
- 11
- 19
Shower or two
- 12
- 20
Showers
- 13
- 21
Showers
- 13
- 22
Shower or two
Today 12 Oct Illawarra
Sunny morning. The chance of fog in the north in the early morning. High chance of showers in the late afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Winds northwesterly 15 to 25 km/h increasing to 25 to 40 km/h in the middle of the day then turning westerly 15 to 25 km/h during the afternoon and evening. Daytime maximum temperatures around 30.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots shifting west to southwesterly 15 to 20 knots in the evening. Winds reaching up to 25 knots offshore south of Point Perpendicular in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly sunny day. 80% chance of showers late this afternoon and evening. The chance of a thunderstorm late this afternoon and evening.
- Weather Situation
- A cold front will bring a fresh to strong and gusty southerly change to the southern waters later Monday which will continue to move north on Tuesday. South to southeasterly winds are expected to ease from Wednesday and gradually turn northerly during the second half of the week, as a high pressure system reaches the Tasman Sea.
Jervis Bay Temperature Statistics View More
October Temperature
Point Perpendicular (8 km)
Lowest 8 October, 2026
12.2 °CAverage October
17.6 °CHighest 1 October, 2026
27.1 °C
Climate (2021–2026)
Point Perpendicular (8 km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.9 °C