Dee Why Beach Weather Forecast

    • 11
    • 20

    Sunny

    • 13
    • 20

    Sunny

    • 13
    • 21

    Partly cloudy

    • 16
    • 21

    Showers

    • 17
    • 21

    Showers

    • 17
    • 21

    Showers

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    Showers

Today 8 May Sydney

Sunny. Winds westerly 20 to 30 km/h turning southwesterly 15 to 20 km/h during the afternoon and evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
West to southwesterly 20 to 25 knots, reaching up to 30 knots offshore early in the morning and again in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning, then increasing to 3 to 4 metres later in the evening.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Beach Temperature Statistics View More

May Temperature

Terrey Hills (9km)

  • Lowest 7 May, 2026

    8.8 °C
  • Average May

    17.1 °C
  • Highest 3 May, 2026

    23.7 °C

Climate (2021–Present)

Terrey Hills (9km)

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  • Average Low 2021–2026

    13.4 °C
  • Average 2021–2026

    17 °C
  • Average High 2021–2026

    21.9 °C
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