Mona Vale Beach Weather Forecast

    • 20
    • 25

    Possible shower

    • 18
    • 25

    Possible shower

    • 20
    • 31

    Mostly sunny

    • 20
    • 24

    Possible shower

    • 19
    • 22

    Shower or two

    • 19
    • 23

    Showers

    • 19
    • 27

    Shower or two

Today 7 Dec Sydney

Cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the early morning. Winds northwesterly 15 to 25 km/h shifting southeasterly 25 to 40 km/h during the morning then decreasing to 15 to 25 km/h in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northwesterly 15 to 25 knots shifting southerly in the morning then tending southeasterly in the early afternoon. Winds reaching up to 30 knots during the morning.
Seas
1 to 2 metres.
1st Swell
Northeasterly 1.5 to 2.5 metres, decreasing to around 1 metre around midday.
Weather
Cloudy. The chance of a thunderstorm in the early morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mona Vale Beach Temperature Statistics View More

December Temperature

Terrey Hills (8km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    21.9 °C

  • Highest 5 December, 2025

    36.5 °C

Climate (2020–Present)

Terrey Hills (8km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.8 °C
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