Dee Why Beach Weather Forecast

    • 20
    • 24

    Becoming mostly sunny

    • 20
    • 24

    Mostly sunny

    • 17
    • 21

    Sunny

    • 18
    • 23

    Sunny

    • 18
    • 25

    Sunny

    • 20
    • 31

    Possible late shower

    • 23
    • 27

    Possible shower

Today 22 Dec Sydney

Cloudy morning, clearing to a mostly sunny afternoon. Light winds becoming northeasterly 20 to 30 km/h in the middle of the day then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Easterly below 10 knots tending northeasterly 15 to 20 knots in the middle of the day.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
Southerly 1.5 metres, tending southeasterly 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge extends across the coast, bringing generally settled weather. A cold front is forecast to cross the southern coastal waters late today bringing another southerly change, and progressing northward along the remainder of the coast during Monday. After this another ridge is expected to build in the wake of the front, bringing settled conditions for Christmas.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Beach Temperature Statistics View More

December Temperature

Terrey Hills (9km)

  • Lowest 20 December, 2024

    14.2 °C

  • Average December

    22 °C

  • Highest 2 December, 2024

    34.6 °C

Climate (2019–Present)

Terrey Hills (9km)

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  • Average Low 2019–2024

    13.3 °C

  • Average 2019–2024

    16.8 °C

  • Average High 2019–2024

    21.7 °C
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