Dee Why Head Weather Forecast

    • 13
    • 24

    Sunny

    • 16
    • 28

    Sunny

    • 18
    • 26

    Becoming cloudy

    • 16
    • 23

    Showers. Possible storm

    • 15
    • 23

    Mostly sunny

    • 15
    • 22

    Possible shower

    • 15
    • 24

    Shower or two

Today 30 Sep Sydney

Sunny. Light winds becoming north to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

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Dee Why Head Temperature Statistics View More

September Temperature

Terrey Hills (11km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.5 °C

  • Highest 26 September, 2026

    32.3 °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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