Dee Why Beach Weather Forecast

    • 15
    • 23

    Sunny

    • 13
    • 21

    Partly cloudy

    • 13
    • 19

    Partly cloudy

    • 10
    • 19

    Sunny

    • 12
    • 20

    Sunny

    • 12
    • 21

    Sunny

    • 15
    • 21

    Shower or two

Today 5 May Sydney

Sunny. Winds westerly 15 to 25 km/h turning southwesterly 15 to 20 km/h in the middle of the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds shifting southerly in the early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday.
1st Swell
Northeasterly 2 metres, tending easterly 2 to 2.5 metres during the morning.
Weather
The chance of a thunderstorm offshore in the early morning. Sunny day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Beach Temperature Statistics View More

May Temperature

Terrey Hills (9km)

  • Lowest 1 May, 2026

    14.2 °C

  • Average May

    18.6 °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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