Mona Vale Beach Weather Forecast

    • 16
    • 18

    Cloudy

    • 16
    • 20

    Partly cloudy

    • 17
    • 21

    Partly cloudy

    • 17
    • 23

    Mostly sunny

    • 17
    • 25

    Sunny

    • 19
    • 28

    Partly cloudy

    • 18
    • 26

    Partly cloudy

Today 26 Dec Sydney

Cloudy. Slight chance of a shower this morning. Winds southerly 25 to 40 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the morning and afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 3 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Cloudy. 50% chance of showers.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
Weather Situation
Fresh to strong southerly winds are prevailing as a strong high pressure system over the Bight extends a ridge over the coastal waters. Winds are forecast to remain southerly into the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea by the weekend.
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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

    21.8 °C

  • Highest 19 December, 2025

    40.2 °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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