Dee Why Weather Forecast

    • 20
    • 33

    Mostly sunny

    • 21
    • 24

    Partly cloudy

    • 21
    • 25

    Partly cloudy

    • 20
    • 27

    Sunny

    • 21
    • 26

    Partly cloudy

    • 22
    • 26

    Partly cloudy

    • 21
    • 29

    Sunny

Today 25 Jan Sydney

Mostly sunny morning. The chance of fog in the west in the early morning. The chance of a thunderstorm in the west in the afternoon and early evening. Light winds becoming north to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

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Dee Why Temperature Statistics View More

January Temperature

Terrey Hills (8km)

  • Lowest 21 January, 2026

    14.6 °C

  • Average January

    20.9 °C

  • Highest 10 January, 2026

    40.5 °C

Climate (2021–Present)

Terrey Hills (8km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    16.9 °C

  • Average High 2021–2026

    21.8 °C
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