Avalon Beach Offshore Weather Forecast

    • 18
    • 24

    Mostly sunny

    • 21
    • 31

    Possible shower developing

    • 21
    • 24

    Shower or two

    • 21
    • 24

    Shower or two

    • 21
    • 24

    Cloudy

    • 21
    • 24

    Cloudy

    • 22
    • 26

    Cloudy

Today 21 Jan Sydney

Mostly sunny morning. The chance of a thunderstorm in the outer west in the afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southeasterly 1.5 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A broad high pressure ridge extends along the coast from a high in the southern Tasman Sea. Then, a trough will move across much of the coast on Wednesday as a gusty southerly change, reaching Sydney Waters as a southerly buster Wednesday afternoon, before another system moves across later this week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Avalon Beach Offshore Temperature Statistics View More

January Temperature

Terrey Hills (18km)

  • Lowest 20 January, 2025

    13 °C

  • Average January

    20.7 °C

  • Highest 6 January, 2025

    33.4 °C

Climate (2020–Present)

Terrey Hills (18km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    21.6 °C
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