Thirroul Beach Weather Forecast

    • 15
    • 22

    Clear

    • 13
    • 21

    Shower or two

    • 12
    • 17

    Possible shower

    • 11
    • 17

    Cloudy

    • 11
    • 17

    Partly cloudy

    • 11
    • 20

    Mostly sunny

    • 12
    • 21

    Mostly sunny

Today 6 Sep Wollongong

Mostly clear. Winds southwesterly 15 to 20 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 10 to 15 knots, reaching up to 20 knots offshore.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Southerly 2 to 2.5 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

Thirroul Beach Temperature Statistics View More

September Temperature

Bellambi (5km)

  • Lowest 1 September, 2026

    12.6 °C

  • Average September

    19.2 °C

  • Highest 2 September, 2026

    27.5 °C

Climate (2021–2026)

Bellambi (5km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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