Flat Rock Beach Weather Forecast

    • 18
    • 24

    Shower or two

    • 15
    • 21

    Possible shower

    • 15
    • 23

    Partly cloudy

    • 16
    • 25

    Possible shower

    • 17
    • 26

    Partly cloudy

    • 16
    • 27

    Cloud clearing

    • 18
    • 31

    Partly cloudy

Today 25 Dec Sydney

Partly cloudy. Medium chance of showers, becoming less likely in the early afternoon. Winds southerly 15 to 25 km/h turning southeasterly 25 to 35 km/h in the morning.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southerly 15 to 20 knots turning southeasterly 15 to 25 knots in the late morning.
Seas
Below 0.5 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
Fresh southerly winds over Sydney Waters will ease and remain southerly into the weekend as a high pressure system over the Bight gradually moves east, extending a ridge along the NSW coast until early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Beach Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (8km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    23 °C

  • Highest 19 December, 2025

    42.2 °C

Climate (2020–Present)

Sydney (Observatory Hill) (8km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    23.5 °C
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