Jervis Bay Weather Forecast

    • 11
    • 26

    Partly cloudy

    • 12
    • 24

    Showers increasing

    • 7
    • 17

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 6
    • 23

    Sunny

    • 11
    • 27

    Sunny

    • 14
    • 29

    Sunny

Today 14 Sep Illawarra

Partly cloudy. The chance of smoke haze in the north in the early morning. Slight chance of a shower in the late morning and afternoon. Light winds becoming north to northwesterly 15 to 25 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching the low to high 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla early in the morning.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay Temperature Statistics View More

September Temperature

Point Perpendicular (8km)

  • Lowest 11 September, 2026

    10.4 °C

  • Average September

    16.5 °C

  • Highest 5 September, 2026

    26.4 °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

    20.8 °C
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