Dee Why Beach Weather Forecast

    • 22
    • 35

    Possible shower

    • 22
    • 26

    Shower or two

    • 23
    • 26

    Cloudy

    • 22
    • 29

    Mostly sunny

    • 22
    • 31

    Mostly sunny

    • 24
    • 31

    Shower or two

    • 21
    • 25

    Possible shower

Today 18 Feb Sydney

Partly cloudy. Medium chance of showers, becoming less likely in the evening. The chance of a thunderstorm in the afternoon and evening. Winds west to southwesterly 15 to 25 km/h turning south to southeasterly 15 to 20 km/h in the late afternoon then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northeasterly 15 to 25 knots shifting south to southeasterly in the late afternoon. Winds reaching up to 30 knots inshore in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A trough over central parts of the coast moves north as a fresh southerly change today, before stalling and weakening about the Mid North Coast from Thursday. Winds will turn northerly as a ridge of high pressure builds over the north coast from Friday and persist through the weekend, apart from a southerly wind change along the southern half of the coast as a weak trough moves through and decays during Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dee Why Beach Temperature Statistics View More

February Temperature

Terrey Hills (9km)

  • Lowest 3 February, 2026

    14.5 °C

  • Average February

    21.3 °C

  • Highest 5 February, 2026

    35.5 °C

Climate (2021–Present)

Terrey Hills (9km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    16.9 °C

  • Average High 2021–2026

    21.8 °C
Get WillyWeather+ to remove ads