Jervis Bay Harbour Weather Forecast

    • 5
    • 17

    Mostly sunny

    • 4
    • 17

    Mostly sunny

    • 7
    • 15

    Shower or two

    • 9
    • 15

    Showers

    • 10
    • 15

    Showers

    • 9
    • 16

    Shower or two

    • 6
    • 16

    Sunny

Today 28 Jun Illawarra

Areas of morning frost inland. Patchy morning fog. Sunny afternoon. Light winds. Daytime maximum temperatures between 14 and 18.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Port Kembla.
Weather
Cloud clearing.
Weather Situation
A high pressure ridge lies over NSW coastal waters today and will remain through the weekend. A trough is expected to begin developing off the north coast during during Monday before deepening into a coastal low pressure system later Monday or Tuesday. This low is forecast to move away to the east during Wednesday or Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay Harbour Temperature Statistics View More

June Temperature

Point Perpendicular (9km)

  • Lowest 20 June, 2025

    7.2 °C

  • Average June

    12.9 °C

  • Highest 24 June, 2025

    20.4 °C

Climate (2020–Present)

Point Perpendicular (9km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    20.7 °C
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