Thirroul Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 15
    • 22

    Cloud clearing

    • 14
    • 24

    Sunny

    • 16
    • 24

    Partly cloudy

    • 18
    • 22

    Possible shower

    • 18
    • 24

    Cloudy

    • 18
    • 26

    Possible shower

Today 28 Dec Wollongong

Partly cloudy. Slight chance of a shower in the morning and early afternoon. Winds southwesterly 25 to 35 km/h turning southerly in the morning then decreasing to 15 to 25 km/h in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 25 knots.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
Southerly winds are prevailing as a strong high pressure system near Tasmania extends a ridge over the coastal waters. Winds are forecast to remain southerly for the remainder of the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea.
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  • Temperature Forecast Bureau of Meteorology

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Thirroul Temperature Statistics View More

December Temperature

Bellambi (6km)

  • Lowest 26 December, 2025

    12.1 °C

  • Average December

    20.9 °C

  • Highest 5 December, 2025

    36.7 °C

Climate (2020–Present)

Bellambi (6km)

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  • Average Low 2020–2025

    15 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    21.8 °C
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