Costens Point Weather Forecast

    • 20
    • 30

    Showers. Storm developing

    • 17
    • 21

    Shower or two

    • 15
    • 21

    Shower or two

    • 15
    • 21

    Sunny

    • 15
    • 23

    Sunny

    • 17
    • 23

    Partly cloudy

    • 18
    • 24

    Shower or two

Today 25 Oct Sydney

Partly cloudy. High chance of showers, most likely during this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with damaging winds and heavy rain which may lead to flash flooding. Winds northerly 20 to 30 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Mostly sunny. 70% chance of showers late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, with possible squalls inshore.
Weather Situation
A high in the Tasman Sea maintains a ridge over the coastal waters. The high will move slowly east on the weekend. A strong cold front and trough will cross the southern coastal waters late on Sunday and move north, bringing fresh to strong winds over southern and central coastal waters on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Costens Point Temperature Statistics View More

October Temperature

Sydney Airport (15 km)

  • Lowest 15 October, 2026

    10.8 °C

  • Average October

    19.3 °C

  • Highest 12 October, 2026

    35.6 °C

Climate (2021–2026)

Sydney Airport (15 km)

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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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