Dee Why Head Weather Forecast

    • 21
    • 24

    Shower or two

    • 20
    • 23

    Rain

    • 21
    • 24

    Showers

    • 20
    • 24

    Showers

    • 20
    • 24

    Showers

    • 20
    • 24

    Shower or two

    • 20
    • 25

    Shower or two

Today 18 Mar Sydney

Cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds southeasterly 15 to 20 km/h becoming light in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southeasterly 10 to 15 knots decreasing to below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Weather Situation
A high over the Tasman Sea extends a ridge over northern coastal waters, while a trough has stalled about the Hunter coast, bringing south to southeasterly winds in it's wake. Then, a series of high pressure systems will pass to the south, maintaining moist onshore easterly winds through the second half of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Head Temperature Statistics View More

March Temperature

Terrey Hills (11km)

  • Lowest 14 March, 2026

    14.4 °C

  • Average March

    21.5 °C

  • Highest 4 March, 2026

    29.9 °C

Climate (2021–Present)

Terrey Hills (11km)

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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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