Dee Why Head Weather Forecast

    • 15
    • 18

    Shower or two

    • 16
    • 20

    Showers

    • 18
    • 22

    Partly cloudy

    • 17
    • 25

    Sunny

    • 17
    • 28

    Mostly sunny

    • 15
    • 19

    Shower or two

    • 15
    • 20

    Cloudy

Today 22 Sep Sydney

Cloudy. Medium chance of showers. Winds east to southeasterly 15 to 20 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Easterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southerly 2 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
Southeasterly winds lie over the coastal waters, fresh and gusty in the northeast. A high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly from Wednesday and freshen along the southern and central coastal waters. A southerly change is forecast to move over the coastal waters from Saturday, tracking north over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Head Temperature Statistics View More

September Temperature

Terrey Hills (11km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.4 °C

  • Highest 21 September, 2026

    32 °C

Climate (2021–2026)

Terrey Hills (11km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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