Castlecrag Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 17
    • 28

    Sunny

    • 19
    • 33

    Sunny

    • 21
    • 28

    Partly cloudy

    • 20
    • 28

    Partly cloudy

    • 20
    • 31

    Mostly sunny

    • 21
    • 29

    Partly cloudy

Today 23 Jan Sydney

Partly cloudy. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southerly 10 to 15 knots decreasing to about 10 knots in the early morning then becoming east to southeasterly in the morning.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high in the Bight extends a ridge along the NSW coast. Winds gradually turn northerly as the high pressure system moves into the Tasman Sea on the weekend. A cold front brushes along the coast on Sunday, bringing a southerly change to coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Temperature Statistics View More

January Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 21 January, 2026

    16.8 °C

  • Average January

    22.5 °C

  • Highest 10 January, 2026

    42.2 °C

Climate (2021–Present)

Sydney (Observatory Hill) (7km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    23.5 °C
Get WillyWeather+ to remove ads