Dee Why Weather Forecast

    • 20
    • 28

    Showers. Possible storm

    • 14
    • 18

    Showers increasing. Windy

    • 15
    • 21

    Partly cloudy

    • 16
    • 22

    Mostly sunny

    • 17
    • 23

    Partly cloudy

    • 18
    • 23

    Partly cloudy

    • 18
    • 25

    Mostly sunny

Today 26 Mar Sydney

Partly cloudy. The chance of fog in the outer west in the early morning. Very high chance of showers, most likely in the afternoon and evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Temperature Statistics View More

March Temperature

Terrey Hills (8km)

  • Lowest 14 March, 2026

    14.4 °C
  • Average March

    21.3 °C
  • Highest 17 March, 2026

    30 °C

Climate (2021–Present)

Terrey Hills (8km)

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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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