Jervis Bay Weather Forecast

    • 9
    • 21

    Partly cloudy

    • 13
    • 21

    Shower or two

    • 13
    • 21

    Shower or two

    • 14
    • 21

    Showers

    • 13
    • 21

    Showers

    • 13
    • 21

    Shower or two

    • 12
    • 22

    Shower or two

Today 10 May Illawarra

Mostly sunny. The chance of fog and frost inland in the morning. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Light winds becoming south to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 3 and 10 with daytime temperatures reaching between 19 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southwesterly 10 to 15 knots turning southerly 15 to 20 knots during the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Point Perpendicular around midday.
1st Swell
Southerly 1.5 to 2 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay Temperature Statistics View More

May Temperature

Point Perpendicular (8km)

  • Lowest 8 May, 2026

    10.6 °C

  • Average May

    17.2 °C

  • Highest 2 May, 2026

    23.9 °C

Climate (2021–Present)

Point Perpendicular (8km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    20.8 °C
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