Castlecrag Weather Forecast

    • 17
    • 23

    Showers. Possible storm

    • 15
    • 24

    Sunny

    • 15
    • 23

    Partly cloudy

    • 16
    • 27

    Shower or two

    • 15
    • 21

    Shower or two

    • 15
    • 21

    Partly cloudy

    • 12
    • 22

    Sunny

Today 3 Oct Sydney

Cloudy. Very high chance of showers, becoming less likely at night. The chance of a thunderstorm in the afternoon and evening. Winds north to northeasterly 20 to 30 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly 15 to 25 knots becoming northerly about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the Sydney waters. A trough will linger nearby today before moving northwards on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 1 October, 2026

    14.6 °C

  • Average October

    20.6 °C

  • Highest 1 October, 2026

    30.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (7km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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