Jervis Bay Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 10
    • 22

    Showers increasing

    • 10
    • 18

    Possible morning shower

    • 8
    • 18

    Shower or two

    • 8
    • 18

    Partly cloudy

    • 8
    • 22

    Mostly sunny

    • 8
    • 23

    Sunny

Today 6 Sep Illawarra

Partly cloudy. Winds southeast to southwesterly 15 to 25 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 2 to 3 metres.
Weather
Mostly clear.
Weather Situation
A broad high pressure ridge continues to build from the west while a trough lingers over the far northeast of the state. A weak cold front is forecast to cross the far southeast of the state during Monday morning, bringing a gusty southerly change up the NSW coast, followed by another cold front and southerly change mid-week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay Temperature Statistics View More

September Temperature

Point Perpendicular (8km)

  • Lowest 4 September, 2026

    12.7 °C

  • Average September

    18.5 °C

  • Highest 1 September, 2026

    24.8 °C

Climate (2021–2026)

Point Perpendicular (8km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    20.9 °C
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