Flatrock Beach Weather Forecast

    • 15
    • 19

    Showers

    • 9
    • 16

    Windy. Partly cloudy

    • 9
    • 17

    Cloud clearing

    • 8
    • 20

    Sunny

    • 12
    • 25

    Sunny

    • 13
    • 27

    Sunny

    • 17
    • 21

    Cloudy

Today 15 Sep South Coast

Cloudy. The chance of fog early this morning. Very high chance of showers, most likely in the late morning and afternoon. Snow falling above 900 metres. Possible small hail near the Victorian border this evening. Winds southwesterly 20 to 30 km/h. Daytime maximum temperatures between 14 and 20.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
West to northwesterly 10 to 15 knots shifting southerly 15 to 25 knots in the early morning. Winds reaching up to 30 knots in the evening.
Seas
Around 1 metre, increasing to 2 to 3 metres by early evening.
1st Swell
Southerly below 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
Northerly winds will increase during today ahead of a trough bringing a southerly change to most of the coast during today. After this, southerly winds will persist as a ridge of high pressure extends across from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flatrock Beach Temperature Statistics View More

September Temperature

Ulladulla (14km)

  • Lowest 10 September, 2026

    7.7 °C

  • Average September

    16.6 °C

  • Highest 2 September, 2026

    27.3 °C

Climate (2021–2026)

Ulladulla (14km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    20.9 °C
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