Castlecrag Marine Weather Forecast

    • 22
    • 29

    Shower or two

    • 20
    • 25

    Showers

    • 20
    • 26

    Shower or two

    • 21
    • 27

    Shower or two

    • 21
    • 27

    Shower or two

    • 21
    • 27

    Shower or two

    • 19
    • 28

    Possible shower

Today 25 Feb Sydney

Sunny morning. Medium chance of showers in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds northeasterly 15 to 25 km/h becoming light before dawn then becoming south to southeasterly 20 to 30 km/h in the early afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northeasterly 10 to 15 knots turning east to southeasterly below 10 knots in the middle of the day then tending southerly 10 to 15 knots in the late afternoon.
Seas
Below 0.5 metres.
Weather
Mostly sunny. 70% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Marine Temperature Statistics View More

February Temperature

Sydney (Observatory Hill) (6km)

  • Lowest 3 February, 2026

    16 °C

  • Average February

    23.2 °C

  • Highest 18 February, 2026

    36.6 °C

Climate (2021–Present)

Sydney (Observatory Hill) (6km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    23.5 °C
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