Dee Why Weather Forecast

    • 19
    • 24

    Partly cloudy

    • 20
    • 28

    Showers. Storm

    • 20
    • 25

    Possible storm

    • 21
    • 25

    Partly cloudy

    • 20
    • 29

    Cloud clearing

    • 21
    • 31

    Sunny

    • 21
    • 32

    Mostly sunny

Today 3 Jan Sydney

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm during this afternoon and evening. Light winds becoming northerly 15 to 20 km/h in the morning then tending northeasterly 25 to 35 km/h in the middle of the day.

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Dee Why Temperature Statistics View More

January Temperature

Terrey Hills (8km)

  • Lowest 2 January, 2026

    15.8 °C

  • Average January

    17.5 °C

  • Highest 1 January, 2026

    19 °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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