Dee Why Beach Weather Forecast

    • 18
    • 20

    Showers easing

    • 15
    • 17

    Possible shower

    • 14
    • 18

    Shower or two

    • 15
    • 19

    Showers

    • 16
    • 20

    Shower or two

    • 16
    • 21

    Shower or two

    • 16
    • 21

    Shower or two

Today 13 Oct Sydney

Cloudy. Very high chance of showers, becoming less likely in the early afternoon. The chance of a thunderstorm in the morning. Winds south to southeasterly 15 to 25 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 20 knots tending southeasterly 20 to 25 knots in the early afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
1st Swell
Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm this morning.
Weather Situation
A cold front will bring a fresh to strong, gusty southerly change to the northeast half of the coast later today before continuing across the Queensland border early Wednesday. Southerly winds will then gradually turn easterly mid to late this week as a strong high pressure system passes to the south of the state. The high will then enter the Tasman Sea and become slow-moving, maintaining east to northeasterly winds through the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Beach Temperature Statistics View More

October Temperature

Terrey Hills (9 km)

  • Lowest 9 October, 2026

    10.1 °C

  • Average October

    18.2 °C

  • Highest 1 October, 2026

    28.8 °C

Climate (2021–2026)

Terrey Hills (9 km)

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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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