Dee Why Beach Weather Forecast

    • 16
    • 21

    Morning drizzle

    • 17
    • 21

    Shower or two

    • 17
    • 21

    Showers

    • 16
    • 21

    Showers

    • 16
    • 21

    Shower or two

    • 15
    • 21

    Shower or two

    • 15
    • 22

    Shower or two

Today 11 May Sydney

Partly cloudy. The chance of smoke haze in the west in the morning. High chance of drizzle in the morning, tending to light showers in the afternoon. Light winds becoming south to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure system near the Bight extends a ridge across New South Wales. This high will gradually move east, reaching the Tasman Sea on Tuesday. Little change to this pattern is expected for the remainder of the week.
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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 8 May, 2026

    6.5 °C

  • Average May

    16 °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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