Cronulla Beach Weather Forecast

    • 17
    • 28

    Sunny

    • 19
    • 26

    Shower or two. Becoming windy

    • 15
    • 17

    Shower or two

    • 15
    • 21

    Shower or two

    • 16
    • 22

    Partly cloudy

    • 16
    • 24

    Sunny

    • 17
    • 26

    Mostly sunny

Today 20 Sep Sydney

Sunny. Light winds becoming northwest to northeasterly 15 to 20 km/h in the middle of the day then tending west to northwesterly 15 to 25 km/h in the early afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the middle of the day then tending northwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters and reaching the QLD border by Tuesday. A new high pressure system is forecast to slip south during early to mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cronulla Beach Temperature Statistics View More

September Temperature

Sydney Airport (12km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    17.6 °C

  • Highest 5 September, 2026

    32.4 °C

Climate (2021–2026)

Sydney Airport (12km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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